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Finding the Fourth Proportional to 576,380.60, 863,469.30 and 310,052.60

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Solution

The fourth proportional to 576,380.60, 863,469.30 and 310,052.60 is: 464,486.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,380.60 : 863,469.30 = 310,052.60 : x
  2. Step 2: Convert to fraction form
    576,380.60/863,469.30 = 310,052.60/x
  3. Step 3: Cross multiply
    576,380.60x = 863,469.30 × 310,052.60
  4. Step 4: Simplify right side
    576,380.60x = 267,720,901,485.18
  5. Step 5: Solve for x
    x = 267,720,901,485.18/576,380.60
  6. Step 6: Final answer
    x = 464,486.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.