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Finding the Fourth Proportional to 366,907.80, 550,361.70 and 310,920.60

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Solution

The fourth proportional to 366,907.80, 550,361.70 and 310,920.60 is: 466,380.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,907.80 : 550,361.70 = 310,920.60 : x
  2. Step 2: Convert to fraction form
    366,907.80/550,361.70 = 310,920.60/x
  3. Step 3: Cross multiply
    366,907.80x = 550,361.70 × 310,920.60
  4. Step 4: Simplify right side
    366,907.80x = 171,118,789,981.02
  5. Step 5: Solve for x
    x = 171,118,789,981.02/366,907.80
  6. Step 6: Final answer
    x = 466,380.90

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