Home / 998,469.40-1,497,704.10-499,768.60

Finding the Fourth Proportional to 998,469.40, 1,497,704.10 and 499,768.60

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Solution

The fourth proportional to 998,469.40, 1,497,704.10 and 499,768.60 is: 749,652.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,469.40 : 1,497,704.10 = 499,768.60 : x
  2. Step 2: Convert to fraction form
    998,469.40/1,497,704.10 = 499,768.60/x
  3. Step 3: Cross multiply
    998,469.40x = 1,497,704.10 × 499,768.60
  4. Step 4: Simplify right side
    998,469.40x = 748,505,481,271.26
  5. Step 5: Solve for x
    x = 748,505,481,271.26/998,469.40
  6. Step 6: Final answer
    x = 749,652.90

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Double scale
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Similar ratio
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1.5x scale

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.