Home / 801,735.39-1,202,659.20-321,963.12

Finding the Fourth Proportional to 801,735.39, 1,202,659.20 and 321,963.12

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Solution

The fourth proportional to 801,735.39, 1,202,659.20 and 321,963.12 is: 482,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,735.39 : 1,202,659.20 = 321,963.12 : x
  2. Step 2: Convert to fraction form
    801,735.39/1,202,659.20 = 321,963.12/x
  3. Step 3: Cross multiply
    801,735.39x = 1,202,659.20 × 321,963.12
  4. Step 4: Simplify right side
    801,735.39x = 387,211,908,328.70
  5. Step 5: Solve for x
    x = 387,211,908,328.70/801,735.39
  6. Step 6: Final answer
    x = 482,967.21

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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.