Home / 744,902.88-1,027,989.28-422,626.56

Finding the Fourth Proportional to 744,902.88, 1,027,989.28 and 422,626.56

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Solution

The fourth proportional to 744,902.88, 1,027,989.28 and 422,626.56 is: 583,237.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,902.88 : 1,027,989.28 = 422,626.56 : x
  2. Step 2: Convert to fraction form
    744,902.88/1,027,989.28 = 422,626.56/x
  3. Step 3: Cross multiply
    744,902.88x = 1,027,989.28 × 422,626.56
  4. Step 4: Simplify right side
    744,902.88x = 434,455,573,123.28
  5. Step 5: Solve for x
    x = 434,455,573,123.28/744,902.88
  6. Step 6: Final answer
    x = 583,237.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.