Home / 1,177.88-1,766.25-484.37

Finding the Fourth Proportional to 1,177.88, 1,766.25 and 484.37

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Solution

The fourth proportional to 1,177.88, 1,766.25 and 484.37 is: 726.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.88 : 1,766.25 = 484.37 : x
  2. Step 2: Convert to fraction form
    1,177.88/1,766.25 = 484.37/x
  3. Step 3: Cross multiply
    1,177.88x = 1,766.25 × 484.37
  4. Step 4: Simplify right side
    1,177.88x = 855,509.68
  5. Step 5: Solve for x
    x = 855,509.68/1,177.88
  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.