Home / 567,185.82-782,732.90-312,553.41

Finding the Fourth Proportional to 567,185.82, 782,732.90 and 312,553.41

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Solution

The fourth proportional to 567,185.82, 782,732.90 and 312,553.41 is: 431,332.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,185.82 : 782,732.90 = 312,553.41 : x
  2. Step 2: Convert to fraction form
    567,185.82/782,732.90 = 312,553.41/x
  3. Step 3: Cross multiply
    567,185.82x = 782,732.90 × 312,553.41
  4. Step 4: Simplify right side
    567,185.82x = 244,645,835,451.42
  5. Step 5: Solve for x
    x = 244,645,835,451.42/567,185.82
  6. Step 6: Final answer
    x = 431,332.78

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1.5x scale

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.