Home / 801,407.73-1,202,336.33-321,972.20

Finding the Fourth Proportional to 801,407.73, 1,202,336.33 and 321,972.20

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Solution

The fourth proportional to 801,407.73, 1,202,336.33 and 321,972.20 is: 483,048.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,407.73 : 1,202,336.33 = 321,972.20 : x
  2. Step 2: Convert to fraction form
    801,407.73/1,202,336.33 = 321,972.20/x
  3. Step 3: Cross multiply
    801,407.73x = 1,202,336.33 × 321,972.20
  4. Step 4: Simplify right side
    801,407.73x = 387,118,872,913.89
  5. Step 5: Solve for x
    x = 387,118,872,913.89/801,407.73
  6. Step 6: Final answer
    x = 483,048.59

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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.