Home / 871,433.64-1,202,575.41-484,247.43

Finding the Fourth Proportional to 871,433.64, 1,202,575.41 and 484,247.43

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Solution

The fourth proportional to 871,433.64, 1,202,575.41 and 484,247.43 is: 668,259.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,433.64 : 1,202,575.41 = 484,247.43 : x
  2. Step 2: Convert to fraction form
    871,433.64/1,202,575.41 = 484,247.43/x
  3. Step 3: Cross multiply
    871,433.64x = 1,202,575.41 × 484,247.43
  4. Step 4: Simplify right side
    871,433.64x = 582,344,051,673.70
  5. Step 5: Solve for x
    x = 582,344,051,673.70/871,433.64
  6. Step 6: Final answer
    x = 668,259.78

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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.