Home / 791,337.68-1,091,443.24-681,143.92

Finding the Fourth Proportional to 791,337.68, 1,091,443.24 and 681,143.92

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Solution

The fourth proportional to 791,337.68, 1,091,443.24 and 681,143.92 is: 939,459.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,337.68 : 1,091,443.24 = 681,143.92 : x
  2. Step 2: Convert to fraction form
    791,337.68/1,091,443.24 = 681,143.92/x
  3. Step 3: Cross multiply
    791,337.68x = 1,091,443.24 × 681,143.92
  4. Step 4: Simplify right side
    791,337.68x = 743,429,926,951.10
  5. Step 5: Solve for x
    x = 743,429,926,951.10/791,337.68
  6. Step 6: Final answer
    x = 939,459.79

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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.