Home / 721,579.92-1,082,433.60-189,098.88

Finding the Fourth Proportional to 721,579.92, 1,082,433.60 and 189,098.88

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Solution

The fourth proportional to 721,579.92, 1,082,433.60 and 189,098.88 is: 283,665.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,579.92 : 1,082,433.60 = 189,098.88 : x
  2. Step 2: Convert to fraction form
    721,579.92/1,082,433.60 = 189,098.88/x
  3. Step 3: Cross multiply
    721,579.92x = 1,082,433.60 × 189,098.88
  4. Step 4: Simplify right side
    721,579.92x = 204,686,981,434.37
  5. Step 5: Solve for x
    x = 204,686,981,434.37/721,579.92
  6. Step 6: Final answer
    x = 283,665.02

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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.