Finding the Fourth Proportional to 873,275.10, 1,205,033.85 and 491,293.68
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Solution
The fourth proportional to 873,275.10, 1,205,033.85 and 491,293.68 is: 677,937.02
Step by Step Solution
- Step 1: Write the proportion equation
873,275.10 : 1,205,033.85 = 491,293.68 : x - Step 2: Convert to fraction form
873,275.10/1,205,033.85 = 491,293.68/x - Step 3: Cross multiply
873,275.10x = 1,205,033.85 × 491,293.68 - Step 4: Simplify right side
873,275.10x = 592,025,514,691.07 - Step 5: Solve for x
x = 592,025,514,691.07/873,275.10 - Step 6: Final answer
x = 677,937.02
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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.