Home / 744,928-1,027,821.36-439,016.56

Finding the Fourth Proportional to 744,928, 1,027,821.36 and 439,016.56

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Solution

The fourth proportional to 744,928, 1,027,821.36 and 439,016.56 is: 605,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,928 : 1,027,821.36 = 439,016.56 : x
  2. Step 2: Convert to fraction form
    744,928/1,027,821.36 = 439,016.56/x
  3. Step 3: Cross multiply
    744,928x = 1,027,821.36 × 439,016.56
  4. Step 4: Simplify right side
    744,928x = 451,230,597,761.72
  5. Step 5: Solve for x
    x = 451,230,597,761.72/744,928
  6. Step 6: Final answer
    x = 605,737.20

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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.