Home / 428,848.56-591,837.84-247,593.69

Finding the Fourth Proportional to 428,848.56, 591,837.84 and 247,593.69

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Solution

The fourth proportional to 428,848.56, 591,837.84 and 247,593.69 is: 341,694.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,848.56 : 591,837.84 = 247,593.69 : x
  2. Step 2: Convert to fraction form
    428,848.56/591,837.84 = 247,593.69/x
  3. Step 3: Cross multiply
    428,848.56x = 591,837.84 × 247,593.69
  4. Step 4: Simplify right side
    428,848.56x = 146,535,314,687.23
  5. Step 5: Solve for x
    x = 146,535,314,687.23/428,848.56
  6. Step 6: Final answer
    x = 341,694.78

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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.