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Finding the Fourth Proportional to 348,039.20, 522,058.80 and 297,300.80

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Solution

The fourth proportional to 348,039.20, 522,058.80 and 297,300.80 is: 445,951.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,039.20 : 522,058.80 = 297,300.80 : x
  2. Step 2: Convert to fraction form
    348,039.20/522,058.80 = 297,300.80/x
  3. Step 3: Cross multiply
    348,039.20x = 522,058.80 × 297,300.80
  4. Step 4: Simplify right side
    348,039.20x = 155,208,498,887.04
  5. Step 5: Solve for x
    x = 155,208,498,887.04/348,039.20
  6. Step 6: Final answer
    x = 445,951.20

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