Home / 354,913.05-489,836.25-225,716.82

Finding the Fourth Proportional to 354,913.05, 489,836.25 and 225,716.82

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Solution

The fourth proportional to 354,913.05, 489,836.25 and 225,716.82 is: 311,524.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,913.05 : 489,836.25 = 225,716.82 : x
  2. Step 2: Convert to fraction form
    354,913.05/489,836.25 = 225,716.82/x
  3. Step 3: Cross multiply
    354,913.05x = 489,836.25 × 225,716.82
  4. Step 4: Simplify right side
    354,913.05x = 110,564,280,670.73
  5. Step 5: Solve for x
    x = 110,564,280,670.73/354,913.05
  6. Step 6: Final answer
    x = 311,524.98

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