Home / 475,930.70-656,778.24-271,979.29

Finding the Fourth Proportional to 475,930.70, 656,778.24 and 271,979.29

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Solution

The fourth proportional to 475,930.70, 656,778.24 and 271,979.29 is: 375,327.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,930.70 : 656,778.24 = 271,979.29 : x
  2. Step 2: Convert to fraction form
    475,930.70/656,778.24 = 271,979.29/x
  3. Step 3: Cross multiply
    475,930.70x = 656,778.24 × 271,979.29
  4. Step 4: Simplify right side
    475,930.70x = 178,630,076,529.25
  5. Step 5: Solve for x
    x = 178,630,076,529.25/475,930.70
  6. Step 6: Final answer
    x = 375,327.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.