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Finding the Fourth Proportional to 647,081.59, 970,624.79 and 197,800.72

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Solution

The fourth proportional to 647,081.59, 970,624.79 and 197,800.72 is: 296,701.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,081.59 : 970,624.79 = 197,800.72 : x
  2. Step 2: Convert to fraction form
    647,081.59/970,624.79 = 197,800.72/x
  3. Step 3: Cross multiply
    647,081.59x = 970,624.79 × 197,800.72
  4. Step 4: Simplify right side
    647,081.59x = 191,990,282,311.85
  5. Step 5: Solve for x
    x = 191,990,282,311.85/647,081.59
  6. Step 6: Final answer
    x = 296,701.82

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