Finding the Fourth Proportional to 936,658.40, 1,292,592.42 and 506,938.42
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Solution
The fourth proportional to 936,658.40, 1,292,592.42 and 506,938.42 is: 699,577.09
Step by Step Solution
- Step 1: Write the proportion equation
936,658.40 : 1,292,592.42 = 506,938.42 : x - Step 2: Convert to fraction form
936,658.40/1,292,592.42 = 506,938.42/x - Step 3: Cross multiply
936,658.40x = 1,292,592.42 × 506,938.42 - Step 4: Simplify right side
936,658.40x = 655,264,755,867.30 - Step 5: Solve for x
x = 655,264,755,867.30/936,658.40 - Step 6: Final answer
x = 699,577.09
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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.