Home / 744,691.76-1,027,679.10-405,162.44

Finding the Fourth Proportional to 744,691.76, 1,027,679.10 and 405,162.44

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Solution

The fourth proportional to 744,691.76, 1,027,679.10 and 405,162.44 is: 559,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,691.76 : 1,027,679.10 = 405,162.44 : x
  2. Step 2: Convert to fraction form
    744,691.76/1,027,679.10 = 405,162.44/x
  3. Step 3: Cross multiply
    744,691.76x = 1,027,679.10 × 405,162.44
  4. Step 4: Simplify right side
    744,691.76x = 416,376,971,693.00
  5. Step 5: Solve for x
    x = 416,376,971,693.00/744,691.76
  6. Step 6: Final answer
    x = 559,126.60

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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.