Home / 791,151.48-1,091,792.39-428,575.34

Finding the Fourth Proportional to 791,151.48, 1,091,792.39 and 428,575.34

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Solution

The fourth proportional to 791,151.48, 1,091,792.39 and 428,575.34 is: 591,435.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,151.48 : 1,091,792.39 = 428,575.34 : x
  2. Step 2: Convert to fraction form
    791,151.48/1,091,792.39 = 428,575.34/x
  3. Step 3: Cross multiply
    791,151.48x = 1,091,792.39 × 428,575.34
  4. Step 4: Simplify right side
    791,151.48x = 467,915,294,753.66
  5. Step 5: Solve for x
    x = 467,915,294,753.66/791,151.48
  6. Step 6: Final answer
    x = 591,435.78

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.