Home / 791,738.28-1,187,607.42-259,262.10

Finding the Fourth Proportional to 791,738.28, 1,187,607.42 and 259,262.10

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Solution

The fourth proportional to 791,738.28, 1,187,607.42 and 259,262.10 is: 388,893.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,738.28 : 1,187,607.42 = 259,262.10 : x
  2. Step 2: Convert to fraction form
    791,738.28/1,187,607.42 = 259,262.10/x
  3. Step 3: Cross multiply
    791,738.28x = 1,187,607.42 × 259,262.10
  4. Step 4: Simplify right side
    791,738.28x = 307,901,593,684.78
  5. Step 5: Solve for x
    x = 307,901,593,684.78/791,738.28
  6. Step 6: Final answer
    x = 388,893.15

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Double scale
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Similar ratio
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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.