Home / 691,761.92-1,037,958.17-355,039.04

Finding the Fourth Proportional to 691,761.92, 1,037,958.17 and 355,039.04

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Solution

The fourth proportional to 691,761.92, 1,037,958.17 and 355,039.04 is: 532,720.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,761.92 : 1,037,958.17 = 355,039.04 : x
  2. Step 2: Convert to fraction form
    691,761.92/1,037,958.17 = 355,039.04/x
  3. Step 3: Cross multiply
    691,761.92x = 1,037,958.17 × 355,039.04
  4. Step 4: Simplify right side
    691,761.92x = 368,515,665,271.97
  5. Step 5: Solve for x
    x = 368,515,665,271.97/691,761.92
  6. Step 6: Final answer
    x = 532,720.37

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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.