Home / 738,963.82-1,108,942.97-259,195.96

Finding the Fourth Proportional to 738,963.82, 1,108,942.97 and 259,195.96

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Solution

The fourth proportional to 738,963.82, 1,108,942.97 and 259,195.96 is: 388,968.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,963.82 : 1,108,942.97 = 259,195.96 : x
  2. Step 2: Convert to fraction form
    738,963.82/1,108,942.97 = 259,195.96/x
  3. Step 3: Cross multiply
    738,963.82x = 1,108,942.97 × 259,195.96
  4. Step 4: Simplify right side
    738,963.82x = 287,433,533,626.06
  5. Step 5: Solve for x
    x = 287,433,533,626.06/738,963.82
  6. Step 6: Final answer
    x = 388,968.35

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1.5x scale

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.