Home / 745,227.90-1,028,398.23-435,183.75

Finding the Fourth Proportional to 745,227.90, 1,028,398.23 and 435,183.75

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Solution

The fourth proportional to 745,227.90, 1,028,398.23 and 435,183.75 is: 600,544.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,227.90 : 1,028,398.23 = 435,183.75 : x
  2. Step 2: Convert to fraction form
    745,227.90/1,028,398.23 = 435,183.75/x
  3. Step 3: Cross multiply
    745,227.90x = 1,028,398.23 × 435,183.75
  4. Step 4: Simplify right side
    745,227.90x = 447,542,198,224.76
  5. Step 5: Solve for x
    x = 447,542,198,224.76/745,227.90
  6. Step 6: Final answer
    x = 600,544.07

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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.