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Finding the Fourth Proportional to 680,416.57, 1,020,646.95 and 200,604.13

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Solution

The fourth proportional to 680,416.57, 1,020,646.95 and 200,604.13 is: 300,912.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,416.57 : 1,020,646.95 = 200,604.13 : x
  2. Step 2: Convert to fraction form
    680,416.57/1,020,646.95 = 200,604.13/x
  3. Step 3: Cross multiply
    680,416.57x = 1,020,646.95 × 200,604.13
  4. Step 4: Simplify right side
    680,416.57x = 204,745,998,479.18
  5. Step 5: Solve for x
    x = 204,745,998,479.18/680,416.57
  6. Step 6: Final answer
    x = 300,912.72

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