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Finding the Fourth Proportional to 404,529.86, 558,264.61 and 220,778.46

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Solution

The fourth proportional to 404,529.86, 558,264.61 and 220,778.46 is: 304,681.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,529.86 : 558,264.61 = 220,778.46 : x
  2. Step 2: Convert to fraction form
    404,529.86/558,264.61 = 220,778.46/x
  3. Step 3: Cross multiply
    404,529.86x = 558,264.61 × 220,778.46
  4. Step 4: Simplify right side
    404,529.86x = 123,252,800,868.30
  5. Step 5: Solve for x
    x = 123,252,800,868.30/404,529.86
  6. Step 6: Final answer
    x = 304,681.59

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