Finding the Fourth Proportional to 745,991.97, 1,029,468.88 and 406,460.22
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Solution
The fourth proportional to 745,991.97, 1,029,468.88 and 406,460.22 is: 560,915.08
Step by Step Solution
- Step 1: Write the proportion equation
745,991.97 : 1,029,468.88 = 406,460.22 : x - Step 2: Convert to fraction form
745,991.97/1,029,468.88 = 406,460.22/x - Step 3: Cross multiply
745,991.97x = 1,029,468.88 × 406,460.22 - Step 4: Simplify right side
745,991.97x = 418,438,146,431.80 - Step 5: Solve for x
x = 418,438,146,431.80/745,991.97 - Step 6: Final answer
x = 560,915.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.