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From a passage saying that it's hard for people to visualize or grasp the
scale of things when they're in expressed in units they can't easily relate
to- but that if something people can relate to is used people can get an idea
more easily. The sentence I'm unsure about is:

例えば、「東京ドーム５。７杯分」と書けば、「ああ、そんなに多いのか」と納得がいくわけだ。

'For example. if it's written that Tokyo Dome is the equivalent of 5.7
glasses(??), then people can get an idea of the scale, thinking 'ooh its that
big is it'. - Is my understanding of that.

I understand 'wake' and 'iku' seperately as reasoning, and go respectively.
However, when they're together here, does it basically mean, 'goes the
reasoning'? Or is there a different nuance going on here?
CC BY-SA 3.0
2017-04-04T02:37:08.227
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2017-04-04T04:24:56.520
16132
question
grammar translation
what is the meaning of いくわけだ
～は納得が行く is a set phrase that means:

  1. ～ makes sense; ～ sounds convincing; one is satisfied by ～ 

> その説明は納得が行きません。もっと詳しく話してください。  
>  納得の行く説明が欲しい。

  2. ～ is satisfied (by an explanation); ～ is convinced (by something) 

> 彼はまだ納得が行かないようだ。  
>  あなたが納得が行くまで、何度でも教えます。

This usage of 行く is described as the tenth definition of [this
entry](http://dictionary.goo.ne.jp/jn/225173/meaning/m0u/), but practically
you'll have to [memorize this rather than analyze
this](https://ell.stackexchange.com/q/42909/8629).

訳【わけ】 means _reason_. ～わけだ means "it's natural to think ～", "no wonder ～",
"therefore ～", "as a natural consequence, ～", etc.

> 「ああ、そんなに多いのか」と納得がいくわけだ。  
>  (saying it) will naturally make sense to you -- "Ah, it's that much!"
CC BY-SA 3.0
2017-04-04T04:24:56.520
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2017-04-04T04:24:56.520
2017-04-13T12:55:20.437
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answer