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Finding the Fourth Proportional to 548,153.26, 756,462.05 and 306,453.31

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Solution

The fourth proportional to 548,153.26, 756,462.05 and 306,453.31 is: 422,911.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,153.26 : 756,462.05 = 306,453.31 : x
  2. Step 2: Convert to fraction form
    548,153.26/756,462.05 = 306,453.31/x
  3. Step 3: Cross multiply
    548,153.26x = 756,462.05 × 306,453.31
  4. Step 4: Simplify right side
    548,153.26x = 231,820,299,111.89
  5. Step 5: Solve for x
    x = 231,820,299,111.89/548,153.26
  6. Step 6: Final answer
    x = 422,911.47

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