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Finding the Fourth Proportional to 521,597.20, 782,104.20 and 240,766.96

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Solution

The fourth proportional to 521,597.20, 782,104.20 and 240,766.96 is: 361,015.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,597.20 : 782,104.20 = 240,766.96 : x
  2. Step 2: Convert to fraction form
    521,597.20/782,104.20 = 240,766.96/x
  3. Step 3: Cross multiply
    521,597.20x = 782,104.20 × 240,766.96
  4. Step 4: Simplify right side
    521,597.20x = 188,304,850,637.23
  5. Step 5: Solve for x
    x = 188,304,850,637.23/521,597.20
  6. Step 6: Final answer
    x = 361,015.84

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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.