Home / 628,745.28-867,533.94-374,046.72

Finding the Fourth Proportional to 628,745.28, 867,533.94 and 374,046.72

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Solution

The fourth proportional to 628,745.28, 867,533.94 and 374,046.72 is: 516,104.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,745.28 : 867,533.94 = 374,046.72 : x
  2. Step 2: Convert to fraction form
    628,745.28/867,533.94 = 374,046.72/x
  3. Step 3: Cross multiply
    628,745.28x = 867,533.94 × 374,046.72
  4. Step 4: Simplify right side
    628,745.28x = 324,498,224,745.68
  5. Step 5: Solve for x
    x = 324,498,224,745.68/628,745.28
  6. Step 6: Final answer
    x = 516,104.43

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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.