Home / 475,909.26-656,788.18-271,990.34

Finding the Fourth Proportional to 475,909.26, 656,788.18 and 271,990.34

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Solution

The fourth proportional to 475,909.26, 656,788.18 and 271,990.34 is: 375,365.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,909.26 : 656,788.18 = 271,990.34 : x
  2. Step 2: Convert to fraction form
    475,909.26/656,788.18 = 271,990.34/x
  3. Step 3: Cross multiply
    475,909.26x = 656,788.18 × 271,990.34
  4. Step 4: Simplify right side
    475,909.26x = 178,640,039,395.20
  5. Step 5: Solve for x
    x = 178,640,039,395.20/475,909.26
  6. Step 6: Final answer
    x = 375,365.76

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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.