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Finding the Fourth Proportional to 570,568.80, 856,467.60 and 321,736.80

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Solution

The fourth proportional to 570,568.80, 856,467.60 and 321,736.80 is: 482,951.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,568.80 : 856,467.60 = 321,736.80 : x
  2. Step 2: Convert to fraction form
    570,568.80/856,467.60 = 321,736.80/x
  3. Step 3: Cross multiply
    570,568.80x = 856,467.60 × 321,736.80
  4. Step 4: Simplify right side
    570,568.80x = 275,557,144,927.68
  5. Step 5: Solve for x
    x = 275,557,144,927.68/570,568.80
  6. Step 6: Final answer
    x = 482,951.65

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