Home / 791,331.20-1,186,996.80-371,427.20

Finding the Fourth Proportional to 791,331.20, 1,186,996.80 and 371,427.20

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Solution

The fourth proportional to 791,331.20, 1,186,996.80 and 371,427.20 is: 557,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,331.20 : 1,186,996.80 = 371,427.20 : x
  2. Step 2: Convert to fraction form
    791,331.20/1,186,996.80 = 371,427.20/x
  3. Step 3: Cross multiply
    791,331.20x = 1,186,996.80 × 371,427.20
  4. Step 4: Simplify right side
    791,331.20x = 440,882,897,832.96
  5. Step 5: Solve for x
    x = 440,882,897,832.96/791,331.20
  6. Step 6: Final answer
    x = 557,140.80

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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.