Finding the Fourth Proportional to 707,154.68, 975,976.32 and 397,092.08
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Solution
The fourth proportional to 707,154.68, 975,976.32 and 397,092.08 is: 548,044.83
Step by Step Solution
- Step 1: Write the proportion equation
707,154.68 : 975,976.32 = 397,092.08 : x - Step 2: Convert to fraction form
707,154.68/975,976.32 = 397,092.08/x - Step 3: Cross multiply
707,154.68x = 975,976.32 × 397,092.08 - Step 4: Simplify right side
707,154.68x = 387,552,466,939.55 - Step 5: Solve for x
x = 387,552,466,939.55/707,154.68 - Step 6: Final answer
x = 548,044.83
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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.