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Finding the Fourth Proportional to 547,770.40, 821,719.60 and 173,831.20

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Solution

The fourth proportional to 547,770.40, 821,719.60 and 173,831.20 is: 260,767.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,770.40 : 821,719.60 = 173,831.20 : x
  2. Step 2: Convert to fraction form
    547,770.40/821,719.60 = 173,831.20/x
  3. Step 3: Cross multiply
    547,770.40x = 821,719.60 × 173,831.20
  4. Step 4: Simplify right side
    547,770.40x = 142,840,504,131.52
  5. Step 5: Solve for x
    x = 142,840,504,131.52/547,770.40
  6. Step 6: Final answer
    x = 260,767.11

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