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Finding the Fourth Proportional to 567,879.80, 851,819.70 and 318,529.40

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Solution

The fourth proportional to 567,879.80, 851,819.70 and 318,529.40 is: 477,794.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,879.80 : 851,819.70 = 318,529.40 : x
  2. Step 2: Convert to fraction form
    567,879.80/851,819.70 = 318,529.40/x
  3. Step 3: Cross multiply
    567,879.80x = 851,819.70 × 318,529.40
  4. Step 4: Simplify right side
    567,879.80x = 271,329,617,949.18
  5. Step 5: Solve for x
    x = 271,329,617,949.18/567,879.80
  6. Step 6: Final answer
    x = 477,794.10

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