Home / 744,229.87-1,027,113.47-438,402.49

Finding the Fourth Proportional to 744,229.87, 1,027,113.47 and 438,402.49

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Solution

The fourth proportional to 744,229.87, 1,027,113.47 and 438,402.49 is: 605,040.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,229.87 : 1,027,113.47 = 438,402.49 : x
  2. Step 2: Convert to fraction form
    744,229.87/1,027,113.47 = 438,402.49/x
  3. Step 3: Cross multiply
    744,229.87x = 1,027,113.47 × 438,402.49
  4. Step 4: Simplify right side
    744,229.87x = 450,289,102,760.54
  5. Step 5: Solve for x
    x = 450,289,102,760.54/744,229.87
  6. Step 6: Final answer
    x = 605,040.35

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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.