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Finding the Fourth Proportional to 401,462.06, 554,025.44 and 220,163.41

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Solution

The fourth proportional to 401,462.06, 554,025.44 and 220,163.41 is: 303,829.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,462.06 : 554,025.44 = 220,163.41 : x
  2. Step 2: Convert to fraction form
    401,462.06/554,025.44 = 220,163.41/x
  3. Step 3: Cross multiply
    401,462.06x = 554,025.44 × 220,163.41
  4. Step 4: Simplify right side
    401,462.06x = 121,976,129,262.50
  5. Step 5: Solve for x
    x = 121,976,129,262.50/401,462.06
  6. Step 6: Final answer
    x = 303,829.78

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