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Finding the Fourth Proportional to 837.62, 1,255.11 and 750.48

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Solution

The fourth proportional to 837.62, 1,255.11 and 750.48 is: 1,124.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    837.62 : 1,255.11 = 750.48 : x
  2. Step 2: Convert to fraction form
    837.62/1,255.11 = 750.48/x
  3. Step 3: Cross multiply
    837.62x = 1,255.11 × 750.48
  4. Step 4: Simplify right side
    837.62x = 941,934.95
  5. Step 5: Solve for x
    x = 941,934.95/837.62
  6. Step 6: Final answer
    x = 1,124.54

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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.