Home / 801,723.99-1,202,642.10-321,951.78

Finding the Fourth Proportional to 801,723.99, 1,202,642.10 and 321,951.78

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Solution

The fourth proportional to 801,723.99, 1,202,642.10 and 321,951.78 is: 482,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,723.99 : 1,202,642.10 = 321,951.78 : x
  2. Step 2: Convert to fraction form
    801,723.99/1,202,642.10 = 321,951.78/x
  3. Step 3: Cross multiply
    801,723.99x = 1,202,642.10 × 321,951.78
  4. Step 4: Simplify right side
    801,723.99x = 387,192,764,797.94
  5. Step 5: Solve for x
    x = 387,192,764,797.94/801,723.99
  6. Step 6: Final answer
    x = 482,950.20

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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.