Finding the Fourth Proportional to 625,202.96, 862,780.92 and 338,723.06
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Solution
The fourth proportional to 625,202.96, 862,780.92 and 338,723.06 is: 467,438.28
Step by Step Solution
- Step 1: Write the proportion equation
625,202.96 : 862,780.92 = 338,723.06 : x - Step 2: Convert to fraction form
625,202.96/862,780.92 = 338,723.06/x - Step 3: Cross multiply
625,202.96x = 862,780.92 × 338,723.06 - Step 4: Simplify right side
625,202.96x = 292,243,793,332.02 - Step 5: Solve for x
x = 292,243,793,332.02/625,202.96 - Step 6: Final answer
x = 467,438.28
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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.