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Finding the Fourth Proportional to 668,078.10, 1,002,117.15 and 194,811.30

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Solution

The fourth proportional to 668,078.10, 1,002,117.15 and 194,811.30 is: 292,216.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,078.10 : 1,002,117.15 = 194,811.30 : x
  2. Step 2: Convert to fraction form
    668,078.10/1,002,117.15 = 194,811.30/x
  3. Step 3: Cross multiply
    668,078.10x = 1,002,117.15 × 194,811.30
  4. Step 4: Simplify right side
    668,078.10x = 195,223,744,743.80
  5. Step 5: Solve for x
    x = 195,223,744,743.80/668,078.10
  6. Step 6: Final answer
    x = 292,216.95

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