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Finding the Fourth Proportional to 548,717.01, 756,973.72 and 355,187.15

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Solution

The fourth proportional to 548,717.01, 756,973.72 and 355,187.15 is: 489,992.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,717.01 : 756,973.72 = 355,187.15 : x
  2. Step 2: Convert to fraction form
    548,717.01/756,973.72 = 355,187.15/x
  3. Step 3: Cross multiply
    548,717.01x = 756,973.72 × 355,187.15
  4. Step 4: Simplify right side
    548,717.01x = 268,867,336,455.76
  5. Step 5: Solve for x
    x = 268,867,336,455.76/548,717.01
  6. Step 6: Final answer
    x = 489,992.72

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