Home / 475,895.90-656,791.23-284,909.18

Finding the Fourth Proportional to 475,895.90, 656,791.23 and 284,909.18

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Solution

The fourth proportional to 475,895.90, 656,791.23 and 284,909.18 is: 393,207.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,895.90 : 656,791.23 = 284,909.18 : x
  2. Step 2: Convert to fraction form
    475,895.90/656,791.23 = 284,909.18/x
  3. Step 3: Cross multiply
    475,895.90x = 656,791.23 × 284,909.18
  4. Step 4: Simplify right side
    475,895.90x = 187,125,850,770.49
  5. Step 5: Solve for x
    x = 187,125,850,770.49/475,895.90
  6. Step 6: Final answer
    x = 393,207.53

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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.