Home / 428,583.05-591,443.62-244,817.64

Finding the Fourth Proportional to 428,583.05, 591,443.62 and 244,817.64

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Solution

The fourth proportional to 428,583.05, 591,443.62 and 244,817.64 is: 337,847.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,583.05 : 591,443.62 = 244,817.64 : x
  2. Step 2: Convert to fraction form
    428,583.05/591,443.62 = 244,817.64/x
  3. Step 3: Cross multiply
    428,583.05x = 591,443.62 × 244,817.64
  4. Step 4: Simplify right side
    428,583.05x = 144,795,832,006.51
  5. Step 5: Solve for x
    x = 144,795,832,006.51/428,583.05
  6. Step 6: Final answer
    x = 337,847.78

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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.