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Finding the Fourth Proportional to 498,609.60, 747,404.10 and 245,500.80

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Solution

The fourth proportional to 498,609.60, 747,404.10 and 245,500.80 is: 367,999.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,609.60 : 747,404.10 = 245,500.80 : x
  2. Step 2: Convert to fraction form
    498,609.60/747,404.10 = 245,500.80/x
  3. Step 3: Cross multiply
    498,609.60x = 747,404.10 × 245,500.80
  4. Step 4: Simplify right side
    498,609.60x = 183,488,304,473.28
  5. Step 5: Solve for x
    x = 183,488,304,473.28/498,609.60
  6. Step 6: Final answer
    x = 367,999.94

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1.5x scale

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.