Home / 951,621.90-1,427,423.13-320,531.46

Finding the Fourth Proportional to 951,621.90, 1,427,423.13 and 320,531.46

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Solution

The fourth proportional to 951,621.90, 1,427,423.13 and 320,531.46 is: 480,793.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,621.90 : 1,427,423.13 = 320,531.46 : x
  2. Step 2: Convert to fraction form
    951,621.90/1,427,423.13 = 320,531.46/x
  3. Step 3: Cross multiply
    951,621.90x = 1,427,423.13 × 320,531.46
  4. Step 4: Simplify right side
    951,621.90x = 457,534,019,896.67
  5. Step 5: Solve for x
    x = 457,534,019,896.67/951,621.90
  6. Step 6: Final answer
    x = 480,793.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.