Home / 871,344.49-1,202,488.56-484,188.64

Finding the Fourth Proportional to 871,344.49, 1,202,488.56 and 484,188.64

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Solution

The fourth proportional to 871,344.49, 1,202,488.56 and 484,188.64 is: 668,198.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,344.49 : 1,202,488.56 = 484,188.64 : x
  2. Step 2: Convert to fraction form
    871,344.49/1,202,488.56 = 484,188.64/x
  3. Step 3: Cross multiply
    871,344.49x = 1,202,488.56 × 484,188.64
  4. Step 4: Simplify right side
    871,344.49x = 582,231,300,481.96
  5. Step 5: Solve for x
    x = 582,231,300,481.96/871,344.49
  6. Step 6: Final answer
    x = 668,198.75

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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.