Home / 745,450.92-1,028,452.12-422,974.24

Finding the Fourth Proportional to 745,450.92, 1,028,452.12 and 422,974.24

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Solution

The fourth proportional to 745,450.92, 1,028,452.12 and 422,974.24 is: 583,551.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,450.92 : 1,028,452.12 = 422,974.24 : x
  2. Step 2: Convert to fraction form
    745,450.92/1,028,452.12 = 422,974.24/x
  3. Step 3: Cross multiply
    745,450.92x = 1,028,452.12 × 422,974.24
  4. Step 4: Simplify right side
    745,450.92x = 435,008,753,833.39
  5. Step 5: Solve for x
    x = 435,008,753,833.39/745,450.92
  6. Step 6: Final answer
    x = 583,551.17

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.