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Finding the Fourth Proportional to 686,951.53, 948,106.64 and 381,126.41

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Solution

The fourth proportional to 686,951.53, 948,106.64 and 381,126.41 is: 526,017.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,951.53 : 948,106.64 = 381,126.41 : x
  2. Step 2: Convert to fraction form
    686,951.53/948,106.64 = 381,126.41/x
  3. Step 3: Cross multiply
    686,951.53x = 948,106.64 × 381,126.41
  4. Step 4: Simplify right side
    686,951.53x = 361,348,479,768.05
  5. Step 5: Solve for x
    x = 361,348,479,768.05/686,951.53
  6. Step 6: Final answer
    x = 526,017.43

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