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Finding the Fourth Proportional to 883,940.80, 1,325,911.20 and 322,902.40

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Solution

The fourth proportional to 883,940.80, 1,325,911.20 and 322,902.40 is: 484,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,940.80 : 1,325,911.20 = 322,902.40 : x
  2. Step 2: Convert to fraction form
    883,940.80/1,325,911.20 = 322,902.40/x
  3. Step 3: Cross multiply
    883,940.80x = 1,325,911.20 × 322,902.40
  4. Step 4: Simplify right side
    883,940.80x = 428,139,908,666.88
  5. Step 5: Solve for x
    x = 428,139,908,666.88/883,940.80
  6. Step 6: Final answer
    x = 484,353.60

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