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Finding the Fourth Proportional to 467,818.46, 645,430.90 and 381,628.44

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Solution

The fourth proportional to 467,818.46, 645,430.90 and 381,628.44 is: 526,517.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,818.46 : 645,430.90 = 381,628.44 : x
  2. Step 2: Convert to fraction form
    467,818.46/645,430.90 = 381,628.44/x
  3. Step 3: Cross multiply
    467,818.46x = 645,430.90 × 381,628.44
  4. Step 4: Simplify right side
    467,818.46x = 246,314,787,494.80
  5. Step 5: Solve for x
    x = 246,314,787,494.80/467,818.46
  6. Step 6: Final answer
    x = 526,517.89

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