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Finding the Fourth Proportional to 398,676.16, 550,152.24 and 226,571.11

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Solution

The fourth proportional to 398,676.16, 550,152.24 and 226,571.11 is: 312,656.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,676.16 : 550,152.24 = 226,571.11 : x
  2. Step 2: Convert to fraction form
    398,676.16/550,152.24 = 226,571.11/x
  3. Step 3: Cross multiply
    398,676.16x = 550,152.24 × 226,571.11
  4. Step 4: Simplify right side
    398,676.16x = 124,648,601,460.76
  5. Step 5: Solve for x
    x = 124,648,601,460.76/398,676.16
  6. Step 6: Final answer
    x = 312,656.27

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