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Finding the Fourth Proportional to 325,660.70, 488,928.45 and 207,854.30

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Solution

The fourth proportional to 325,660.70, 488,928.45 and 207,854.30 is: 312,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,660.70 : 488,928.45 = 207,854.30 : x
  2. Step 2: Convert to fraction form
    325,660.70/488,928.45 = 207,854.30/x
  3. Step 3: Cross multiply
    325,660.70x = 488,928.45 × 207,854.30
  4. Step 4: Simplify right side
    325,660.70x = 101,625,880,724.84
  5. Step 5: Solve for x
    x = 101,625,880,724.84/325,660.70
  6. Step 6: Final answer
    x = 312,060.62

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