Home / 457,217.28-634,760.64-443,531.52

Finding the Fourth Proportional to 457,217.28, 634,760.64 and 443,531.52

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Solution

The fourth proportional to 457,217.28, 634,760.64 and 443,531.52 is: 615,760.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,217.28 : 634,760.64 = 443,531.52 : x
  2. Step 2: Convert to fraction form
    457,217.28/634,760.64 = 443,531.52/x
  3. Step 3: Cross multiply
    457,217.28x = 634,760.64 × 443,531.52
  4. Step 4: Simplify right side
    457,217.28x = 281,536,351,495.37
  5. Step 5: Solve for x
    x = 281,536,351,495.37/457,217.28
  6. Step 6: Final answer
    x = 615,760.52

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.