Home / 996,448.20-1,493,651.70-490,230.60

Finding the Fourth Proportional to 996,448.20, 1,493,651.70 and 490,230.60

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Solution

The fourth proportional to 996,448.20, 1,493,651.70 and 490,230.60 is: 734,843.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,448.20 : 1,493,651.70 = 490,230.60 : x
  2. Step 2: Convert to fraction form
    996,448.20/1,493,651.70 = 490,230.60/x
  3. Step 3: Cross multiply
    996,448.20x = 1,493,651.70 × 490,230.60
  4. Step 4: Simplify right side
    996,448.20x = 732,233,769,082.02
  5. Step 5: Solve for x
    x = 732,233,769,082.02/996,448.20
  6. Step 6: Final answer
    x = 734,843.79

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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.