Home / 871,632.64-1,202,844.54-484,448.92

Finding the Fourth Proportional to 871,632.64, 1,202,844.54 and 484,448.92

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Solution

The fourth proportional to 871,632.64, 1,202,844.54 and 484,448.92 is: 668,534.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,632.64 : 1,202,844.54 = 484,448.92 : x
  2. Step 2: Convert to fraction form
    871,632.64/1,202,844.54 = 484,448.92/x
  3. Step 3: Cross multiply
    871,632.64x = 1,202,844.54 × 484,448.92
  4. Step 4: Simplify right side
    871,632.64x = 582,716,738,330.90
  5. Step 5: Solve for x
    x = 582,716,738,330.90/871,632.64
  6. Step 6: Final answer
    x = 668,534.78

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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.