Finding the Fourth Proportional to 627,744.18, 865,473.84 and 406,587.98
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Solution
The fourth proportional to 627,744.18, 865,473.84 and 406,587.98 is: 560,564.75
Step by Step Solution
- Step 1: Write the proportion equation
627,744.18 : 865,473.84 = 406,587.98 : x - Step 2: Convert to fraction form
627,744.18/865,473.84 = 406,587.98/x - Step 3: Cross multiply
627,744.18x = 865,473.84 × 406,587.98 - Step 4: Simplify right side
627,744.18x = 351,891,260,348.44 - Step 5: Solve for x
x = 351,891,260,348.44/627,744.18 - Step 6: Final answer
x = 560,564.75
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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.