Home / 485,123.32-664,622.01-466,941.96

Finding the Fourth Proportional to 485,123.32, 664,622.01 and 466,941.96

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Solution

The fourth proportional to 485,123.32, 664,622.01 and 466,941.96 is: 639,713.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,123.32 : 664,622.01 = 466,941.96 : x
  2. Step 2: Convert to fraction form
    485,123.32/664,622.01 = 466,941.96/x
  3. Step 3: Cross multiply
    485,123.32x = 664,622.01 × 466,941.96
  4. Step 4: Simplify right side
    485,123.32x = 310,339,904,008.54
  5. Step 5: Solve for x
    x = 310,339,904,008.54/485,123.32
  6. Step 6: Final answer
    x = 639,713.43

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.