Home / 758,603.97-1,137,949.79-285,293.43

Finding the Fourth Proportional to 758,603.97, 1,137,949.79 and 285,293.43

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Solution

The fourth proportional to 758,603.97, 1,137,949.79 and 285,293.43 is: 427,956.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,603.97 : 1,137,949.79 = 285,293.43 : x
  2. Step 2: Convert to fraction form
    758,603.97/1,137,949.79 = 285,293.43/x
  3. Step 3: Cross multiply
    758,603.97x = 1,137,949.79 × 285,293.43
  4. Step 4: Simplify right side
    758,603.97x = 324,649,597,330.41
  5. Step 5: Solve for x
    x = 324,649,597,330.41/758,603.97
  6. Step 6: Final answer
    x = 427,956.63

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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.