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Finding the Fourth Proportional to 420,610.67, 580,439.77 and 229,624.07

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Solution

The fourth proportional to 420,610.67, 580,439.77 and 229,624.07 is: 316,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,610.67 : 580,439.77 = 229,624.07 : x
  2. Step 2: Convert to fraction form
    420,610.67/580,439.77 = 229,624.07/x
  3. Step 3: Cross multiply
    420,610.67x = 580,439.77 × 229,624.07
  4. Step 4: Simplify right side
    420,610.67x = 133,282,942,377.26
  5. Step 5: Solve for x
    x = 133,282,942,377.26/420,610.67
  6. Step 6: Final answer
    x = 316,879.60

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