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Finding the Fourth Proportional to 366,971.80, 550,457.70 and 330,230.20

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Solution

The fourth proportional to 366,971.80, 550,457.70 and 330,230.20 is: 495,345.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,971.80 : 550,457.70 = 330,230.20 : x
  2. Step 2: Convert to fraction form
    366,971.80/550,457.70 = 330,230.20/x
  3. Step 3: Cross multiply
    366,971.80x = 550,457.70 × 330,230.20
  4. Step 4: Simplify right side
    366,971.80x = 181,777,756,362.54
  5. Step 5: Solve for x
    x = 181,777,756,362.54/366,971.80
  6. Step 6: Final answer
    x = 495,345.30

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