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Finding the Fourth Proportional to 499,476.64, 748,472.64 and 299,562.88

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Solution

The fourth proportional to 499,476.64, 748,472.64 and 299,562.88 is: 448,899.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,476.64 : 748,472.64 = 299,562.88 : x
  2. Step 2: Convert to fraction form
    499,476.64/748,472.64 = 299,562.88/x
  3. Step 3: Cross multiply
    499,476.64x = 748,472.64 × 299,562.88
  4. Step 4: Simplify right side
    499,476.64x = 224,214,619,639.60
  5. Step 5: Solve for x
    x = 224,214,619,639.60/499,476.64
  6. Step 6: Final answer
    x = 448,899.11

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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.