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Finding the Fourth Proportional to 384,099.20, 576,148.80 and 317,614.40

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Solution

The fourth proportional to 384,099.20, 576,148.80 and 317,614.40 is: 476,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,099.20 : 576,148.80 = 317,614.40 : x
  2. Step 2: Convert to fraction form
    384,099.20/576,148.80 = 317,614.40/x
  3. Step 3: Cross multiply
    384,099.20x = 576,148.80 × 317,614.40
  4. Step 4: Simplify right side
    384,099.20x = 182,993,155,422.72
  5. Step 5: Solve for x
    x = 182,993,155,422.72/384,099.20
  6. Step 6: Final answer
    x = 476,421.60

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