Home / 996,449.20-1,493,653.20-490,231.60

Finding the Fourth Proportional to 996,449.20, 1,493,653.20 and 490,231.60

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Solution

The fourth proportional to 996,449.20, 1,493,653.20 and 490,231.60 is: 734,845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,449.20 : 1,493,653.20 = 490,231.60 : x
  2. Step 2: Convert to fraction form
    996,449.20/1,493,653.20 = 490,231.60/x
  3. Step 3: Cross multiply
    996,449.20x = 1,493,653.20 × 490,231.60
  4. Step 4: Simplify right side
    996,449.20x = 732,235,998,081.12
  5. Step 5: Solve for x
    x = 732,235,998,081.12/996,449.20
  6. Step 6: Final answer
    x = 734,845.29

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Double scale
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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.