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Finding the Fourth Proportional to 752,486, 1,129,098.04 and 353,159.24

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Solution

The fourth proportional to 752,486, 1,129,098.04 and 353,159.24 is: 529,912.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,486 : 1,129,098.04 = 353,159.24 : x
  2. Step 2: Convert to fraction form
    752,486/1,129,098.04 = 353,159.24/x
  3. Step 3: Cross multiply
    752,486x = 1,129,098.04 × 353,159.24
  4. Step 4: Simplify right side
    752,486x = 398,751,405,691.89
  5. Step 5: Solve for x
    x = 398,751,405,691.89/752,486
  6. Step 6: Final answer
    x = 529,912.06

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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.