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Finding the Fourth Proportional to 381,824.72, 526,887.29 and 220,690.21

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Solution

The fourth proportional to 381,824.72, 526,887.29 and 220,690.21 is: 304,534.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,824.72 : 526,887.29 = 220,690.21 : x
  2. Step 2: Convert to fraction form
    381,824.72/526,887.29 = 220,690.21/x
  3. Step 3: Cross multiply
    381,824.72x = 526,887.29 × 220,690.21
  4. Step 4: Simplify right side
    381,824.72x = 116,278,862,938.54
  5. Step 5: Solve for x
    x = 116,278,862,938.54/381,824.72
  6. Step 6: Final answer
    x = 304,534.66

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