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Finding the Fourth Proportional to 544,880.78, 751,923.76 and 315,447.78

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Solution

The fourth proportional to 544,880.78, 751,923.76 and 315,447.78 is: 435,311.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,880.78 : 751,923.76 = 315,447.78 : x
  2. Step 2: Convert to fraction form
    544,880.78/751,923.76 = 315,447.78/x
  3. Step 3: Cross multiply
    544,880.78x = 751,923.76 × 315,447.78
  4. Step 4: Simplify right side
    544,880.78x = 237,192,680,821.25
  5. Step 5: Solve for x
    x = 237,192,680,821.25/544,880.78
  6. Step 6: Final answer
    x = 435,311.15

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