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Finding the Fourth Proportional to 878,443, 1,212,251.36 and 476,035

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Solution

The fourth proportional to 878,443, 1,212,251.36 and 476,035 is: 656,928.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,443 : 1,212,251.36 = 476,035 : x
  2. Step 2: Convert to fraction form
    878,443/1,212,251.36 = 476,035/x
  3. Step 3: Cross multiply
    878,443x = 1,212,251.36 × 476,035
  4. Step 4: Simplify right side
    878,443x = 577,074,076,157.60
  5. Step 5: Solve for x
    x = 577,074,076,157.60/878,443
  6. Step 6: Final answer
    x = 656,928.31

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