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Finding the Fourth Proportional to 516,699.30, 775,197.18 and 217,025.76

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Solution

The fourth proportional to 516,699.30, 775,197.18 and 217,025.76 is: 325,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,699.30 : 775,197.18 = 217,025.76 : x
  2. Step 2: Convert to fraction form
    516,699.30/775,197.18 = 217,025.76/x
  3. Step 3: Cross multiply
    516,699.30x = 775,197.18 × 217,025.76
  4. Step 4: Simplify right side
    516,699.30x = 168,237,757,139.36
  5. Step 5: Solve for x
    x = 168,237,757,139.36/516,699.30
  6. Step 6: Final answer
    x = 325,600.90

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