Home / 791,728.85-1,187,583.24-192,691.33

Finding the Fourth Proportional to 791,728.85, 1,187,583.24 and 192,691.33

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Solution

The fourth proportional to 791,728.85, 1,187,583.24 and 192,691.33 is: 289,034.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,728.85 : 1,187,583.24 = 192,691.33 : x
  2. Step 2: Convert to fraction form
    791,728.85/1,187,583.24 = 192,691.33/x
  3. Step 3: Cross multiply
    791,728.85x = 1,187,583.24 × 192,691.33
  4. Step 4: Simplify right side
    791,728.85x = 228,836,994,001.31
  5. Step 5: Solve for x
    x = 228,836,994,001.31/791,728.85
  6. Step 6: Final answer
    x = 289,034.55

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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.