Home / 726,815.43-1,090,137.29-194,377.73

Finding the Fourth Proportional to 726,815.43, 1,090,137.29 and 194,377.73

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Solution

The fourth proportional to 726,815.43, 1,090,137.29 and 194,377.73 is: 291,543.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,815.43 : 1,090,137.29 = 194,377.73 : x
  2. Step 2: Convert to fraction form
    726,815.43/1,090,137.29 = 194,377.73/x
  3. Step 3: Cross multiply
    726,815.43x = 1,090,137.29 × 194,377.73
  4. Step 4: Simplify right side
    726,815.43x = 211,898,405,395.98
  5. Step 5: Solve for x
    x = 211,898,405,395.98/726,815.43
  6. Step 6: Final answer
    x = 291,543.63

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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.