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Finding the Fourth Proportional to 833.44, 1,250.16 and 785.92

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Solution

The fourth proportional to 833.44, 1,250.16 and 785.92 is: 1,178.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.44 : 1,250.16 = 785.92 : x
  2. Step 2: Convert to fraction form
    833.44/1,250.16 = 785.92/x
  3. Step 3: Cross multiply
    833.44x = 1,250.16 × 785.92
  4. Step 4: Simplify right side
    833.44x = 982,525.75
  5. Step 5: Solve for x
    x = 982,525.75/833.44
  6. Step 6: Final answer
    x = 1,178.88

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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.