Home / 791,057.96-1,186,642.22-391,591.48

Finding the Fourth Proportional to 791,057.96, 1,186,642.22 and 391,591.48

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Solution

The fourth proportional to 791,057.96, 1,186,642.22 and 391,591.48 is: 587,414.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,057.96 : 1,186,642.22 = 391,591.48 : x
  2. Step 2: Convert to fraction form
    791,057.96/1,186,642.22 = 391,591.48/x
  3. Step 3: Cross multiply
    791,057.96x = 1,186,642.22 × 391,591.48
  4. Step 4: Simplify right side
    791,057.96x = 464,678,983,160.29
  5. Step 5: Solve for x
    x = 464,678,983,160.29/791,057.96
  6. Step 6: Final answer
    x = 587,414.58

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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.