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Finding the Fourth Proportional to 565,027.20, 847,540.80 and 521,724.60

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Solution

The fourth proportional to 565,027.20, 847,540.80 and 521,724.60 is: 782,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,027.20 : 847,540.80 = 521,724.60 : x
  2. Step 2: Convert to fraction form
    565,027.20/847,540.80 = 521,724.60/x
  3. Step 3: Cross multiply
    565,027.20x = 847,540.80 × 521,724.60
  4. Step 4: Simplify right side
    565,027.20x = 442,182,884,863.68
  5. Step 5: Solve for x
    x = 442,182,884,863.68/565,027.20
  6. Step 6: Final answer
    x = 782,586.90

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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.