Home / 428,768.33-591,657.60-247,538.75

Finding the Fourth Proportional to 428,768.33, 591,657.60 and 247,538.75

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Solution

The fourth proportional to 428,768.33, 591,657.60 and 247,538.75 is: 341,578.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,768.33 : 591,657.60 = 247,538.75 : x
  2. Step 2: Convert to fraction form
    428,768.33/591,657.60 = 247,538.75/x
  3. Step 3: Cross multiply
    428,768.33x = 591,657.60 × 247,538.75
  4. Step 4: Simplify right side
    428,768.33x = 146,458,179,773.71
  5. Step 5: Solve for x
    x = 146,458,179,773.71/428,768.33
  6. Step 6: Final answer
    x = 341,578.82

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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.