Finding the Fourth Proportional to 671,391.40, 924,755.18 and 516,045.62
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Solution
The fourth proportional to 671,391.40, 924,755.18 and 516,045.62 is: 710,786.38
Step by Step Solution
- Step 1: Write the proportion equation
671,391.40 : 924,755.18 = 516,045.62 : x - Step 2: Convert to fraction form
671,391.40/924,755.18 = 516,045.62/x - Step 3: Cross multiply
671,391.40x = 924,755.18 × 516,045.62 - Step 4: Simplify right side
671,391.40x = 477,215,860,211.31 - Step 5: Solve for x
x = 477,215,860,211.31/671,391.40 - Step 6: Final answer
x = 710,786.38
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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.