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Finding the Fourth Proportional to 348,048.60, 522,072.90 and 305,194.20

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Solution

The fourth proportional to 348,048.60, 522,072.90 and 305,194.20 is: 457,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,048.60 : 522,072.90 = 305,194.20 : x
  2. Step 2: Convert to fraction form
    348,048.60/522,072.90 = 305,194.20/x
  3. Step 3: Cross multiply
    348,048.60x = 522,072.90 × 305,194.20
  4. Step 4: Simplify right side
    348,048.60x = 159,333,621,057.18
  5. Step 5: Solve for x
    x = 159,333,621,057.18/348,048.60
  6. Step 6: Final answer
    x = 457,791.30

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