Home / 871,494.38-1,202,691.45-484,326.12

Finding the Fourth Proportional to 871,494.38, 1,202,691.45 and 484,326.12

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Solution

The fourth proportional to 871,494.38, 1,202,691.45 and 484,326.12 is: 668,386.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,494.38 : 1,202,691.45 = 484,326.12 : x
  2. Step 2: Convert to fraction form
    871,494.38/1,202,691.45 = 484,326.12/x
  3. Step 3: Cross multiply
    871,494.38x = 1,202,691.45 × 484,326.12
  4. Step 4: Simplify right side
    871,494.38x = 582,494,877,209.36
  5. Step 5: Solve for x
    x = 582,494,877,209.36/871,494.38
  6. Step 6: Final answer
    x = 668,386.27

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1.5x scale

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.