Home / 787,459.14-1,180,229.09-408,170.76

Finding the Fourth Proportional to 787,459.14, 1,180,229.09 and 408,170.76

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Solution

The fourth proportional to 787,459.14, 1,180,229.09 and 408,170.76 is: 611,758.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,459.14 : 1,180,229.09 = 408,170.76 : x
  2. Step 2: Convert to fraction form
    787,459.14/1,180,229.09 = 408,170.76/x
  3. Step 3: Cross multiply
    787,459.14x = 1,180,229.09 × 408,170.76
  4. Step 4: Simplify right side
    787,459.14x = 481,735,002,598.56
  5. Step 5: Solve for x
    x = 481,735,002,598.56/787,459.14
  6. Step 6: Final answer
    x = 611,758.73

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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.