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Finding the Fourth Proportional to 397,586.58, 548,656.97 and 216,293.86

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Solution

The fourth proportional to 397,586.58, 548,656.97 and 216,293.86 is: 298,478.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,586.58 : 548,656.97 = 216,293.86 : x
  2. Step 2: Convert to fraction form
    397,586.58/548,656.97 = 216,293.86/x
  3. Step 3: Cross multiply
    397,586.58x = 548,656.97 × 216,293.86
  4. Step 4: Simplify right side
    397,586.58x = 118,671,133,857.20
  5. Step 5: Solve for x
    x = 118,671,133,857.20/397,586.58
  6. Step 6: Final answer
    x = 298,478.72

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