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Finding the Fourth Proportional to 488,793.60, 733,153.95 and 204,410.70

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Solution

The fourth proportional to 488,793.60, 733,153.95 and 204,410.70 is: 306,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,793.60 : 733,153.95 = 204,410.70 : x
  2. Step 2: Convert to fraction form
    488,793.60/733,153.95 = 204,410.70/x
  3. Step 3: Cross multiply
    488,793.60x = 733,153.95 × 204,410.70
  4. Step 4: Simplify right side
    488,793.60x = 149,864,512,127.27
  5. Step 5: Solve for x
    x = 149,864,512,127.27/488,793.60
  6. Step 6: Final answer
    x = 306,600.81

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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.