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Finding the Fourth Proportional to 348,535.60, 522,112.20 and 207,876.40

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Solution

The fourth proportional to 348,535.60, 522,112.20 and 207,876.40 is: 311,402.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,535.60 : 522,112.20 = 207,876.40 : x
  2. Step 2: Convert to fraction form
    348,535.60/522,112.20 = 207,876.40/x
  3. Step 3: Cross multiply
    348,535.60x = 522,112.20 × 207,876.40
  4. Step 4: Simplify right side
    348,535.60x = 108,534,804,532.08
  5. Step 5: Solve for x
    x = 108,534,804,532.08/348,535.60
  6. Step 6: Final answer
    x = 311,402.35

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