Home / 744,726.35-1,027,691.66-405,195.95

Finding the Fourth Proportional to 744,726.35, 1,027,691.66 and 405,195.95

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Solution

The fourth proportional to 744,726.35, 1,027,691.66 and 405,195.95 is: 559,153.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,726.35 : 1,027,691.66 = 405,195.95 : x
  2. Step 2: Convert to fraction form
    744,726.35/1,027,691.66 = 405,195.95/x
  3. Step 3: Cross multiply
    744,726.35x = 1,027,691.66 × 405,195.95
  4. Step 4: Simplify right side
    744,726.35x = 416,416,498,480.78
  5. Step 5: Solve for x
    x = 416,416,498,480.78/744,726.35
  6. Step 6: Final answer
    x = 559,153.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.