Home / 744,768.54-1,027,856.22-438,943.38

Finding the Fourth Proportional to 744,768.54, 1,027,856.22 and 438,943.38

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Solution

The fourth proportional to 744,768.54, 1,027,856.22 and 438,943.38 is: 605,786.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,768.54 : 1,027,856.22 = 438,943.38 : x
  2. Step 2: Convert to fraction form
    744,768.54/1,027,856.22 = 438,943.38/x
  3. Step 3: Cross multiply
    744,768.54x = 1,027,856.22 × 438,943.38
  4. Step 4: Simplify right side
    744,768.54x = 451,170,683,360.82
  5. Step 5: Solve for x
    x = 451,170,683,360.82/744,768.54
  6. Step 6: Final answer
    x = 605,786.44

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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.