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Finding the Fourth Proportional to 366,938.40, 550,407.60 and 307,889.40

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Solution

The fourth proportional to 366,938.40, 550,407.60 and 307,889.40 is: 461,834.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,938.40 : 550,407.60 = 307,889.40 : x
  2. Step 2: Convert to fraction form
    366,938.40/550,407.60 = 307,889.40/x
  3. Step 3: Cross multiply
    366,938.40x = 550,407.60 × 307,889.40
  4. Step 4: Simplify right side
    366,938.40x = 169,464,665,719.44
  5. Step 5: Solve for x
    x = 169,464,665,719.44/366,938.40
  6. Step 6: Final answer
    x = 461,834.10

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