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Finding the Fourth Proportional to 366,907.80, 550,361.70 and 323,605.20

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Solution

The fourth proportional to 366,907.80, 550,361.70 and 323,605.20 is: 485,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,907.80 : 550,361.70 = 323,605.20 : x
  2. Step 2: Convert to fraction form
    366,907.80/550,361.70 = 323,605.20/x
  3. Step 3: Cross multiply
    366,907.80x = 550,361.70 × 323,605.20
  4. Step 4: Simplify right side
    366,907.80x = 178,099,908,000.84
  5. Step 5: Solve for x
    x = 178,099,908,000.84/366,907.80
  6. Step 6: Final answer
    x = 485,407.80

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