Home / 1,177.17-1,766.33-484.05

Finding the Fourth Proportional to 1,177.17, 1,766.33 and 484.05

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Solution

The fourth proportional to 1,177.17, 1,766.33 and 484.05 is: 726.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.17 : 1,766.33 = 484.05 : x
  2. Step 2: Convert to fraction form
    1,177.17/1,766.33 = 484.05/x
  3. Step 3: Cross multiply
    1,177.17x = 1,766.33 × 484.05
  4. Step 4: Simplify right side
    1,177.17x = 854,991.82
  5. Step 5: Solve for x
    x = 854,991.82/1,177.17
  6. Step 6: Final answer
    x = 726.31

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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.