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Finding the Fourth Proportional to 366,970.80, 550,456.20 and 310,983.60

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Solution

The fourth proportional to 366,970.80, 550,456.20 and 310,983.60 is: 466,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,970.80 : 550,456.20 = 310,983.60 : x
  2. Step 2: Convert to fraction form
    366,970.80/550,456.20 = 310,983.60/x
  3. Step 3: Cross multiply
    366,970.80x = 550,456.20 × 310,983.60
  4. Step 4: Simplify right side
    366,970.80x = 171,182,850,718.32
  5. Step 5: Solve for x
    x = 171,182,850,718.32/366,970.80
  6. Step 6: Final answer
    x = 466,475.40

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