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Finding the Fourth Proportional to 834.26, 1,250.28 and 603.92

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Solution

The fourth proportional to 834.26, 1,250.28 and 603.92 is: 905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    834.26 : 1,250.28 = 603.92 : x
  2. Step 2: Convert to fraction form
    834.26/1,250.28 = 603.92/x
  3. Step 3: Cross multiply
    834.26x = 1,250.28 × 603.92
  4. Step 4: Simplify right side
    834.26x = 755,069.10
  5. Step 5: Solve for x
    x = 755,069.10/834.26
  6. Step 6: Final answer
    x = 905.08

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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.