Home / 801,739.10-1,202,664.72-321,966.83

Finding the Fourth Proportional to 801,739.10, 1,202,664.72 and 321,966.83

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Solution

The fourth proportional to 801,739.10, 1,202,664.72 and 321,966.83 is: 482,972.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,739.10 : 1,202,664.72 = 321,966.83 : x
  2. Step 2: Convert to fraction form
    801,739.10/1,202,664.72 = 321,966.83/x
  3. Step 3: Cross multiply
    801,739.10x = 1,202,664.72 × 321,966.83
  4. Step 4: Simplify right side
    801,739.10x = 387,218,147,451.24
  5. Step 5: Solve for x
    x = 387,218,147,451.24/801,739.10
  6. Step 6: Final answer
    x = 482,972.76

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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.