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Finding the Fourth Proportional to 366,918.90, 550,378.35 and 307,869.90

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Solution

The fourth proportional to 366,918.90, 550,378.35 and 307,869.90 is: 461,804.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,918.90 : 550,378.35 = 307,869.90 : x
  2. Step 2: Convert to fraction form
    366,918.90/550,378.35 = 307,869.90/x
  3. Step 3: Cross multiply
    366,918.90x = 550,378.35 × 307,869.90
  4. Step 4: Simplify right side
    366,918.90x = 169,444,927,576.67
  5. Step 5: Solve for x
    x = 169,444,927,576.67/366,918.90
  6. Step 6: Final answer
    x = 461,804.85

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