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Finding the Fourth Proportional to 522,824.90, 783,200.55 and 311,836.10

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Solution

The fourth proportional to 522,824.90, 783,200.55 and 311,836.10 is: 467,135.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,824.90 : 783,200.55 = 311,836.10 : x
  2. Step 2: Convert to fraction form
    522,824.90/783,200.55 = 311,836.10/x
  3. Step 3: Cross multiply
    522,824.90x = 783,200.55 × 311,836.10
  4. Step 4: Simplify right side
    522,824.90x = 244,230,205,029.86
  5. Step 5: Solve for x
    x = 244,230,205,029.86/522,824.90
  6. Step 6: Final answer
    x = 467,135.76

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