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Finding the Fourth Proportional to 469,618.59, 647,586.54 and 401,859.84

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Solution

The fourth proportional to 469,618.59, 647,586.54 and 401,859.84 is: 554,149.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,618.59 : 647,586.54 = 401,859.84 : x
  2. Step 2: Convert to fraction form
    469,618.59/647,586.54 = 401,859.84/x
  3. Step 3: Cross multiply
    469,618.59x = 647,586.54 × 401,859.84
  4. Step 4: Simplify right side
    469,618.59x = 260,239,023,350.55
  5. Step 5: Solve for x
    x = 260,239,023,350.55/469,618.59
  6. Step 6: Final answer
    x = 554,149.75

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