Home / 665,025.60-996,882.30-327,790.20

Finding the Fourth Proportional to 665,025.60, 996,882.30 and 327,790.20

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Solution

The fourth proportional to 665,025.60, 996,882.30 and 327,790.20 is: 491,361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,025.60 : 996,882.30 = 327,790.20 : x
  2. Step 2: Convert to fraction form
    665,025.60/996,882.30 = 327,790.20/x
  3. Step 3: Cross multiply
    665,025.60x = 996,882.30 × 327,790.20
  4. Step 4: Simplify right side
    665,025.60x = 326,768,248,493.46
  5. Step 5: Solve for x
    x = 326,768,248,493.46/665,025.60
  6. Step 6: Final answer
    x = 491,361.91

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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.