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Finding the Fourth Proportional to 432,004.80, 647,812.80 and 165,676.80

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Solution

The fourth proportional to 432,004.80, 647,812.80 and 165,676.80 is: 248,440.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,004.80 : 647,812.80 = 165,676.80 : x
  2. Step 2: Convert to fraction form
    432,004.80/647,812.80 = 165,676.80/x
  3. Step 3: Cross multiply
    432,004.80x = 647,812.80 × 165,676.80
  4. Step 4: Simplify right side
    432,004.80x = 107,327,551,703.04
  5. Step 5: Solve for x
    x = 107,327,551,703.04/432,004.80
  6. Step 6: Final answer
    x = 248,440.65

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