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Finding the Fourth Proportional to 393,000.60, 588,626.10 and 340,512.60

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Solution

The fourth proportional to 393,000.60, 588,626.10 and 340,512.60 is: 510,010.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,000.60 : 588,626.10 = 340,512.60 : x
  2. Step 2: Convert to fraction form
    393,000.60/588,626.10 = 340,512.60/x
  3. Step 3: Cross multiply
    393,000.60x = 588,626.10 × 340,512.60
  4. Step 4: Simplify right side
    393,000.60x = 200,434,603,738.86
  5. Step 5: Solve for x
    x = 200,434,603,738.86/393,000.60
  6. Step 6: Final answer
    x = 510,010.94

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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.