Home / 541,972.20-747,911.50-327,121.32

Finding the Fourth Proportional to 541,972.20, 747,911.50 and 327,121.32

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Solution

The fourth proportional to 541,972.20, 747,911.50 and 327,121.32 is: 451,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,972.20 : 747,911.50 = 327,121.32 : x
  2. Step 2: Convert to fraction form
    541,972.20/747,911.50 = 327,121.32/x
  3. Step 3: Cross multiply
    541,972.20x = 747,911.50 × 327,121.32
  4. Step 4: Simplify right side
    541,972.20x = 244,657,797,123.18
  5. Step 5: Solve for x
    x = 244,657,797,123.18/541,972.20
  6. Step 6: Final answer
    x = 451,421.30

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1.5x scale

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.