Home / 744,649.03-1,027,620.17-405,119.71

Finding the Fourth Proportional to 744,649.03, 1,027,620.17 and 405,119.71

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Solution

The fourth proportional to 744,649.03, 1,027,620.17 and 405,119.71 is: 559,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,649.03 : 1,027,620.17 = 405,119.71 : x
  2. Step 2: Convert to fraction form
    744,649.03/1,027,620.17 = 405,119.71/x
  3. Step 3: Cross multiply
    744,649.03x = 1,027,620.17 × 405,119.71
  4. Step 4: Simplify right side
    744,649.03x = 416,309,185,260.55
  5. Step 5: Solve for x
    x = 416,309,185,260.55/744,649.03
  6. Step 6: Final answer
    x = 559,067.65

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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.