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Finding the Fourth Proportional to 567,448.40, 851,172.60 and 287,512.40

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Solution

The fourth proportional to 567,448.40, 851,172.60 and 287,512.40 is: 431,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,448.40 : 851,172.60 = 287,512.40 : x
  2. Step 2: Convert to fraction form
    567,448.40/851,172.60 = 287,512.40/x
  3. Step 3: Cross multiply
    567,448.40x = 851,172.60 × 287,512.40
  4. Step 4: Simplify right side
    567,448.40x = 244,722,677,040.24
  5. Step 5: Solve for x
    x = 244,722,677,040.24/567,448.40
  6. Step 6: Final answer
    x = 431,268.60

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