Home / 871,456.48-1,202,583.75-484,270.60

Finding the Fourth Proportional to 871,456.48, 1,202,583.75 and 484,270.60

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Solution

The fourth proportional to 871,456.48, 1,202,583.75 and 484,270.60 is: 668,278.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,456.48 : 1,202,583.75 = 484,270.60 : x
  2. Step 2: Convert to fraction form
    871,456.48/1,202,583.75 = 484,270.60/x
  3. Step 3: Cross multiply
    871,456.48x = 1,202,583.75 × 484,270.60
  4. Step 4: Simplify right side
    871,456.48x = 582,375,954,162.75
  5. Step 5: Solve for x
    x = 582,375,954,162.75/871,456.48
  6. Step 6: Final answer
    x = 668,278.87

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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.