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Finding the Fourth Proportional to 502,617.60, 753,847.20 and 417,773.28

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Solution

The fourth proportional to 502,617.60, 753,847.20 and 417,773.28 is: 626,594.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,617.60 : 753,847.20 = 417,773.28 : x
  2. Step 2: Convert to fraction form
    502,617.60/753,847.20 = 417,773.28/x
  3. Step 3: Cross multiply
    502,617.60x = 753,847.20 × 417,773.28
  4. Step 4: Simplify right side
    502,617.60x = 314,937,217,362.82
  5. Step 5: Solve for x
    x = 314,937,217,362.82/502,617.60
  6. Step 6: Final answer
    x = 626,594.09

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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.