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Finding the Fourth Proportional to 366,921.15, 550,381.73 and 260,632.95

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Solution

The fourth proportional to 366,921.15, 550,381.73 and 260,632.95 is: 390,949.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,921.15 : 550,381.73 = 260,632.95 : x
  2. Step 2: Convert to fraction form
    366,921.15/550,381.73 = 260,632.95/x
  3. Step 3: Cross multiply
    366,921.15x = 550,381.73 × 260,632.95
  4. Step 4: Simplify right side
    366,921.15x = 143,447,613,916.00
  5. Step 5: Solve for x
    x = 143,447,613,916.00/366,921.15
  6. Step 6: Final answer
    x = 390,949.43

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