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Finding the Fourth Proportional to 871,279.01, 1,202,349.87 and 484,098

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Solution

The fourth proportional to 871,279.01, 1,202,349.87 and 484,098 is: 668,046.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,279.01 : 1,202,349.87 = 484,098 : x
  2. Step 2: Convert to fraction form
    871,279.01/1,202,349.87 = 484,098/x
  3. Step 3: Cross multiply
    871,279.01x = 1,202,349.87 × 484,098
  4. Step 4: Simplify right side
    871,279.01x = 582,055,167,367.26
  5. Step 5: Solve for x
    x = 582,055,167,367.26/871,279.01
  6. Step 6: Final answer
    x = 668,046.81

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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.