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Finding the Fourth Proportional to 366,910.80, 550,366.20 and 310,923.60

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Solution

The fourth proportional to 366,910.80, 550,366.20 and 310,923.60 is: 466,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,910.80 : 550,366.20 = 310,923.60 : x
  2. Step 2: Convert to fraction form
    366,910.80/550,366.20 = 310,923.60/x
  3. Step 3: Cross multiply
    366,910.80x = 550,366.20 × 310,923.60
  4. Step 4: Simplify right side
    366,910.80x = 171,121,840,222.32
  5. Step 5: Solve for x
    x = 171,121,840,222.32/366,910.80
  6. Step 6: Final answer
    x = 466,385.40

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