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Finding the Fourth Proportional to 453,856.80, 680,785.20 and 254,791.20

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Solution

The fourth proportional to 453,856.80, 680,785.20 and 254,791.20 is: 382,186.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,856.80 : 680,785.20 = 254,791.20 : x
  2. Step 2: Convert to fraction form
    453,856.80/680,785.20 = 254,791.20/x
  3. Step 3: Cross multiply
    453,856.80x = 680,785.20 × 254,791.20
  4. Step 4: Simplify right side
    453,856.80x = 173,458,078,050.24
  5. Step 5: Solve for x
    x = 173,458,078,050.24/453,856.80
  6. Step 6: Final answer
    x = 382,186.80

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