Home / 862,062.45-1,293,201.03-293,399.85

Finding the Fourth Proportional to 862,062.45, 1,293,201.03 and 293,399.85

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Solution

The fourth proportional to 862,062.45, 1,293,201.03 and 293,399.85 is: 440,136.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,062.45 : 1,293,201.03 = 293,399.85 : x
  2. Step 2: Convert to fraction form
    862,062.45/1,293,201.03 = 293,399.85/x
  3. Step 3: Cross multiply
    862,062.45x = 1,293,201.03 × 293,399.85
  4. Step 4: Simplify right side
    862,062.45x = 379,424,988,221.85
  5. Step 5: Solve for x
    x = 379,424,988,221.85/862,062.45
  6. Step 6: Final answer
    x = 440,136.31

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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.