Home / 671,919.30-1,008,062.55-198,604.26

Finding the Fourth Proportional to 671,919.30, 1,008,062.55 and 198,604.26

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Solution

The fourth proportional to 671,919.30, 1,008,062.55 and 198,604.26 is: 297,960.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,919.30 : 1,008,062.55 = 198,604.26 : x
  2. Step 2: Convert to fraction form
    671,919.30/1,008,062.55 = 198,604.26/x
  3. Step 3: Cross multiply
    671,919.30x = 1,008,062.55 × 198,604.26
  4. Step 4: Simplify right side
    671,919.30x = 200,205,516,776.46
  5. Step 5: Solve for x
    x = 200,205,516,776.46/671,919.30
  6. Step 6: Final answer
    x = 297,960.66

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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.