Finding the Fourth Proportional to 636,714.24, 878,695.20 and 350,229.12
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Solution
The fourth proportional to 636,714.24, 878,695.20 and 350,229.12 is: 483,332.44
Step by Step Solution
- Step 1: Write the proportion equation
636,714.24 : 878,695.20 = 350,229.12 : x - Step 2: Convert to fraction form
636,714.24/878,695.20 = 350,229.12/x - Step 3: Cross multiply
636,714.24x = 878,695.20 × 350,229.12 - Step 4: Simplify right side
636,714.24x = 307,744,646,644.22 - Step 5: Solve for x
x = 307,744,646,644.22/636,714.24 - Step 6: Final answer
x = 483,332.44
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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.