Home / 791,391.35-1,187,076.29-192,350.72

Finding the Fourth Proportional to 791,391.35, 1,187,076.29 and 192,350.72

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Solution

The fourth proportional to 791,391.35, 1,187,076.29 and 192,350.72 is: 288,523.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,391.35 : 1,187,076.29 = 192,350.72 : x
  2. Step 2: Convert to fraction form
    791,391.35/1,187,076.29 = 192,350.72/x
  3. Step 3: Cross multiply
    791,391.35x = 1,187,076.29 × 192,350.72
  4. Step 4: Simplify right side
    791,391.35x = 228,334,972,179.29
  5. Step 5: Solve for x
    x = 228,334,972,179.29/791,391.35
  6. Step 6: Final answer
    x = 288,523.46

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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.