Home / 743,829.60-1,115,744.40-445,231.20

Finding the Fourth Proportional to 743,829.60, 1,115,744.40 and 445,231.20

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Solution

The fourth proportional to 743,829.60, 1,115,744.40 and 445,231.20 is: 667,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,829.60 : 1,115,744.40 = 445,231.20 : x
  2. Step 2: Convert to fraction form
    743,829.60/1,115,744.40 = 445,231.20/x
  3. Step 3: Cross multiply
    743,829.60x = 1,115,744.40 × 445,231.20
  4. Step 4: Simplify right side
    743,829.60x = 496,764,218,105.28
  5. Step 5: Solve for x
    x = 496,764,218,105.28/743,829.60
  6. Step 6: Final answer
    x = 667,846.80

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Similar ratio
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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.