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Finding the Fourth Proportional to 521,162.88, 781,859.04 and 296,628.96

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Solution

The fourth proportional to 521,162.88, 781,859.04 and 296,628.96 is: 445,008.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,162.88 : 781,859.04 = 296,628.96 : x
  2. Step 2: Convert to fraction form
    521,162.88/781,859.04 = 296,628.96/x
  3. Step 3: Cross multiply
    521,162.88x = 781,859.04 × 296,628.96
  4. Step 4: Simplify right side
    521,162.88x = 231,922,033,901.80
  5. Step 5: Solve for x
    x = 231,922,033,901.80/521,162.88
  6. Step 6: Final answer
    x = 445,008.73

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