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Finding the Fourth Proportional to 498,873.68, 748,496.40 and 299,337.26

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Solution

The fourth proportional to 498,873.68, 748,496.40 and 299,337.26 is: 449,117.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,873.68 : 748,496.40 = 299,337.26 : x
  2. Step 2: Convert to fraction form
    498,873.68/748,496.40 = 299,337.26/x
  3. Step 3: Cross multiply
    498,873.68x = 748,496.40 × 299,337.26
  4. Step 4: Simplify right side
    498,873.68x = 224,052,861,495.86
  5. Step 5: Solve for x
    x = 224,052,861,495.86/498,873.68
  6. Step 6: Final answer
    x = 449,117.42

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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.