Home / 729,406.62-1,093,361.49-280,006.47

Finding the Fourth Proportional to 729,406.62, 1,093,361.49 and 280,006.47

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Solution

The fourth proportional to 729,406.62, 1,093,361.49 and 280,006.47 is: 419,722.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,406.62 : 1,093,361.49 = 280,006.47 : x
  2. Step 2: Convert to fraction form
    729,406.62/1,093,361.49 = 280,006.47/x
  3. Step 3: Cross multiply
    729,406.62x = 1,093,361.49 × 280,006.47
  4. Step 4: Simplify right side
    729,406.62x = 306,148,291,248.84
  5. Step 5: Solve for x
    x = 306,148,291,248.84/729,406.62
  6. Step 6: Final answer
    x = 419,722.39

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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.