Home / 951,558.96-1,427,340.92-320,915.76

Finding the Fourth Proportional to 951,558.96, 1,427,340.92 and 320,915.76

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Solution

The fourth proportional to 951,558.96, 1,427,340.92 and 320,915.76 is: 481,374.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,558.96 : 1,427,340.92 = 320,915.76 : x
  2. Step 2: Convert to fraction form
    951,558.96/1,427,340.92 = 320,915.76/x
  3. Step 3: Cross multiply
    951,558.96x = 1,427,340.92 × 320,915.76
  4. Step 4: Simplify right side
    951,558.96x = 458,056,196,120.90
  5. Step 5: Solve for x
    x = 458,056,196,120.90/951,558.96
  6. Step 6: Final answer
    x = 481,374.48

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Double scale
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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.