Home / 951,621.15-1,427,422.01-320,530.71

Finding the Fourth Proportional to 951,621.15, 1,427,422.01 and 320,530.71

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Solution

The fourth proportional to 951,621.15, 1,427,422.01 and 320,530.71 is: 480,792.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,621.15 : 1,427,422.01 = 320,530.71 : x
  2. Step 2: Convert to fraction form
    951,621.15/1,427,422.01 = 320,530.71/x
  3. Step 3: Cross multiply
    951,621.15x = 1,427,422.01 × 320,530.71
  4. Step 4: Simplify right side
    951,621.15x = 457,532,588,732.27
  5. Step 5: Solve for x
    x = 457,532,588,732.27/951,621.15
  6. Step 6: Final answer
    x = 480,792.79

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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.