Home / 791,728.86-1,187,583.24-192,691.32

Finding the Fourth Proportional to 791,728.86, 1,187,583.24 and 192,691.32

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Solution

The fourth proportional to 791,728.86, 1,187,583.24 and 192,691.32 is: 289,034.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,728.86 : 1,187,583.24 = 192,691.32 : x
  2. Step 2: Convert to fraction form
    791,728.86/1,187,583.24 = 192,691.32/x
  3. Step 3: Cross multiply
    791,728.86x = 1,187,583.24 × 192,691.32
  4. Step 4: Simplify right side
    791,728.86x = 228,836,982,125.48
  5. Step 5: Solve for x
    x = 228,836,982,125.48/791,728.86
  6. Step 6: Final answer
    x = 289,034.53

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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.