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Finding the Fourth Proportional to 323,648.51, 446,826.32 and 287,739.17

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Solution

The fourth proportional to 323,648.51, 446,826.32 and 287,739.17 is: 397,250.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,648.51 : 446,826.32 = 287,739.17 : x
  2. Step 2: Convert to fraction form
    323,648.51/446,826.32 = 287,739.17/x
  3. Step 3: Cross multiply
    323,648.51x = 446,826.32 × 287,739.17
  4. Step 4: Simplify right side
    323,648.51x = 128,569,430,778.13
  5. Step 5: Solve for x
    x = 128,569,430,778.13/323,648.51
  6. Step 6: Final answer
    x = 397,250.19

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