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Finding the Fourth Proportional to 398,552.40, 597,022.20 and 248,331.60

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Solution

The fourth proportional to 398,552.40, 597,022.20 and 248,331.60 is: 371,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,552.40 : 597,022.20 = 248,331.60 : x
  2. Step 2: Convert to fraction form
    398,552.40/597,022.20 = 248,331.60/x
  3. Step 3: Cross multiply
    398,552.40x = 597,022.20 × 248,331.60
  4. Step 4: Simplify right side
    398,552.40x = 148,259,478,161.52
  5. Step 5: Solve for x
    x = 148,259,478,161.52/398,552.40
  6. Step 6: Final answer
    x = 371,994.95

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