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Finding the Fourth Proportional to 397,588.58, 548,659.73 and 216,295.86

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Solution

The fourth proportional to 397,588.58, 548,659.73 and 216,295.86 is: 298,481.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,588.58 : 548,659.73 = 216,295.86 : x
  2. Step 2: Convert to fraction form
    397,588.58/548,659.73 = 216,295.86/x
  3. Step 3: Cross multiply
    397,588.58x = 548,659.73 × 216,295.86
  4. Step 4: Simplify right side
    397,588.58x = 118,672,828,147.72
  5. Step 5: Solve for x
    x = 118,672,828,147.72/397,588.58
  6. Step 6: Final answer
    x = 298,481.48

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