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Finding the Fourth Proportional to 614,231.10, 921,346.65 and 566,991.90

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Solution

The fourth proportional to 614,231.10, 921,346.65 and 566,991.90 is: 850,487.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,231.10 : 921,346.65 = 566,991.90 : x
  2. Step 2: Convert to fraction form
    614,231.10/921,346.65 = 566,991.90/x
  3. Step 3: Cross multiply
    614,231.10x = 921,346.65 × 566,991.90
  4. Step 4: Simplify right side
    614,231.10x = 522,396,087,642.14
  5. Step 5: Solve for x
    x = 522,396,087,642.14/614,231.10
  6. Step 6: Final answer
    x = 850,487.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.