Home / 691,636.32-1,037,545.20-270,857.52

Finding the Fourth Proportional to 691,636.32, 1,037,545.20 and 270,857.52

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Solution

The fourth proportional to 691,636.32, 1,037,545.20 and 270,857.52 is: 406,321.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,636.32 : 1,037,545.20 = 270,857.52 : x
  2. Step 2: Convert to fraction form
    691,636.32/1,037,545.20 = 270,857.52/x
  3. Step 3: Cross multiply
    691,636.32x = 1,037,545.20 × 270,857.52
  4. Step 4: Simplify right side
    691,636.32x = 281,026,919,759.90
  5. Step 5: Solve for x
    x = 281,026,919,759.90/691,636.32
  6. Step 6: Final answer
    x = 406,321.81

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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.