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Finding the Fourth Proportional to 499,474.64, 748,469.64 and 299,560.88

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Solution

The fourth proportional to 499,474.64, 748,469.64 and 299,560.88 is: 448,896.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,474.64 : 748,469.64 = 299,560.88 : x
  2. Step 2: Convert to fraction form
    499,474.64/748,469.64 = 299,560.88/x
  3. Step 3: Cross multiply
    499,474.64x = 748,469.64 × 299,560.88
  4. Step 4: Simplify right side
    499,474.64x = 224,212,224,011.68
  5. Step 5: Solve for x
    x = 224,212,224,011.68/499,474.64
  6. Step 6: Final answer
    x = 448,896.11

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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.