Home / 871,418.05-1,202,532.85-484,223.47

Finding the Fourth Proportional to 871,418.05, 1,202,532.85 and 484,223.47

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Solution

The fourth proportional to 871,418.05, 1,202,532.85 and 484,223.47 is: 668,215.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,418.05 : 1,202,532.85 = 484,223.47 : x
  2. Step 2: Convert to fraction form
    871,418.05/1,202,532.85 = 484,223.47/x
  3. Step 3: Cross multiply
    871,418.05x = 1,202,532.85 × 484,223.47
  4. Step 4: Simplify right side
    871,418.05x = 582,294,627,014.94
  5. Step 5: Solve for x
    x = 582,294,627,014.94/871,418.05
  6. Step 6: Final answer
    x = 668,215.02

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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.