Home / 801,728.06-1,202,648.22-321,955.83

Finding the Fourth Proportional to 801,728.06, 1,202,648.22 and 321,955.83

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Solution

The fourth proportional to 801,728.06, 1,202,648.22 and 321,955.83 is: 482,956.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,728.06 : 1,202,648.22 = 321,955.83 : x
  2. Step 2: Convert to fraction form
    801,728.06/1,202,648.22 = 321,955.83/x
  3. Step 3: Cross multiply
    801,728.06x = 1,202,648.22 × 321,955.83
  4. Step 4: Simplify right side
    801,728.06x = 387,199,605,868.12
  5. Step 5: Solve for x
    x = 387,199,605,868.12/801,728.06
  6. Step 6: Final answer
    x = 482,956.29

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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.