Finding the Fourth Proportional to 661,553.49, 912,916.26 and 375,092.94
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Solution
The fourth proportional to 661,553.49, 912,916.26 and 375,092.94 is: 517,612.63
Step by Step Solution
- Step 1: Write the proportion equation
661,553.49 : 912,916.26 = 375,092.94 : x - Step 2: Convert to fraction form
661,553.49/912,916.26 = 375,092.94/x - Step 3: Cross multiply
661,553.49x = 912,916.26 × 375,092.94 - Step 4: Simplify right side
661,553.49x = 342,428,443,937.20 - Step 5: Solve for x
x = 342,428,443,937.20/661,553.49 - Step 6: Final answer
x = 517,612.63
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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.