Home / 672,426.72-1,008,787.68-199,149.12

Finding the Fourth Proportional to 672,426.72, 1,008,787.68 and 199,149.12

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Solution

The fourth proportional to 672,426.72, 1,008,787.68 and 199,149.12 is: 298,767.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,426.72 : 1,008,787.68 = 199,149.12 : x
  2. Step 2: Convert to fraction form
    672,426.72/1,008,787.68 = 199,149.12/x
  3. Step 3: Cross multiply
    672,426.72x = 1,008,787.68 × 199,149.12
  4. Step 4: Simplify right side
    672,426.72x = 200,899,178,738.84
  5. Step 5: Solve for x
    x = 200,899,178,738.84/672,426.72
  6. Step 6: Final answer
    x = 298,767.39

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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.