Home / 699,469.20-1,049,722.20-512,845.20

Finding the Fourth Proportional to 699,469.20, 1,049,722.20 and 512,845.20

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Solution

The fourth proportional to 699,469.20, 1,049,722.20 and 512,845.20 is: 769,647.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,469.20 : 1,049,722.20 = 512,845.20 : x
  2. Step 2: Convert to fraction form
    699,469.20/1,049,722.20 = 512,845.20/x
  3. Step 3: Cross multiply
    699,469.20x = 1,049,722.20 × 512,845.20
  4. Step 4: Simplify right side
    699,469.20x = 538,344,991,603.44
  5. Step 5: Solve for x
    x = 538,344,991,603.44/699,469.20
  6. Step 6: Final answer
    x = 769,647.89

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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.