Home / 496,304.82-742,876.79-395,331.03

Finding the Fourth Proportional to 496,304.82, 742,876.79 and 395,331.03

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Solution

The fourth proportional to 496,304.82, 742,876.79 and 395,331.03 is: 591,737.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,304.82 : 742,876.79 = 395,331.03 : x
  2. Step 2: Convert to fraction form
    496,304.82/742,876.79 = 395,331.03/x
  3. Step 3: Cross multiply
    496,304.82x = 742,876.79 × 395,331.03
  4. Step 4: Simplify right side
    496,304.82x = 293,682,244,577.14
  5. Step 5: Solve for x
    x = 293,682,244,577.14/496,304.82
  6. Step 6: Final answer
    x = 591,737.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.