Home / 988,522.98-1,482,493.82-419,899.56

Finding the Fourth Proportional to 988,522.98, 1,482,493.82 and 419,899.56

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Solution

The fourth proportional to 988,522.98, 1,482,493.82 and 419,899.56 is: 629,725.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,522.98 : 1,482,493.82 = 419,899.56 : x
  2. Step 2: Convert to fraction form
    988,522.98/1,482,493.82 = 419,899.56/x
  3. Step 3: Cross multiply
    988,522.98x = 1,482,493.82 × 419,899.56
  4. Step 4: Simplify right side
    988,522.98x = 622,498,502,720.72
  5. Step 5: Solve for x
    x = 622,498,502,720.72/988,522.98
  6. Step 6: Final answer
    x = 629,725.88

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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.