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Finding the Fourth Proportional to 511,801.20, 767,628.90 and 174,857.40

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Solution

The fourth proportional to 511,801.20, 767,628.90 and 174,857.40 is: 262,261.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,801.20 : 767,628.90 = 174,857.40 : x
  2. Step 2: Convert to fraction form
    511,801.20/767,628.90 = 174,857.40/x
  3. Step 3: Cross multiply
    511,801.20x = 767,628.90 × 174,857.40
  4. Step 4: Simplify right side
    511,801.20x = 134,225,593,618.86
  5. Step 5: Solve for x
    x = 134,225,593,618.86/511,801.20
  6. Step 6: Final answer
    x = 262,261.19

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