Home / 791,930.52-1,187,944.38-318,615.48

Finding the Fourth Proportional to 791,930.52, 1,187,944.38 and 318,615.48

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Solution

The fourth proportional to 791,930.52, 1,187,944.38 and 318,615.48 is: 477,942.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,930.52 : 1,187,944.38 = 318,615.48 : x
  2. Step 2: Convert to fraction form
    791,930.52/1,187,944.38 = 318,615.48/x
  3. Step 3: Cross multiply
    791,930.52x = 1,187,944.38 × 318,615.48
  4. Step 4: Simplify right side
    791,930.52x = 378,497,468,847.00
  5. Step 5: Solve for x
    x = 378,497,468,847.00/791,930.52
  6. Step 6: Final answer
    x = 477,942.77

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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.