Home / 1,149.59-1,723.32-418.97

Finding the Fourth Proportional to 1,149.59, 1,723.32 and 418.97

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Solution

The fourth proportional to 1,149.59, 1,723.32 and 418.97 is: 628.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149.59 : 1,723.32 = 418.97 : x
  2. Step 2: Convert to fraction form
    1,149.59/1,723.32 = 418.97/x
  3. Step 3: Cross multiply
    1,149.59x = 1,723.32 × 418.97
  4. Step 4: Simplify right side
    1,149.59x = 722,010.76
  5. Step 5: Solve for x
    x = 722,010.76/1,149.59
  6. Step 6: Final answer
    x = 628.06

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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.