Home / 649,819.44-974,884.68-329,171.76

Finding the Fourth Proportional to 649,819.44, 974,884.68 and 329,171.76

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Solution

The fourth proportional to 649,819.44, 974,884.68 and 329,171.76 is: 493,836.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,819.44 : 974,884.68 = 329,171.76 : x
  2. Step 2: Convert to fraction form
    649,819.44/974,884.68 = 329,171.76/x
  3. Step 3: Cross multiply
    649,819.44x = 974,884.68 × 329,171.76
  4. Step 4: Simplify right side
    649,819.44x = 320,904,505,912.64
  5. Step 5: Solve for x
    x = 320,904,505,912.64/649,819.44
  6. Step 6: Final answer
    x = 493,836.42

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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.