Home / 804,961.38-1,110,792.84-442,377.42

Finding the Fourth Proportional to 804,961.38, 1,110,792.84 and 442,377.42

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Solution

The fourth proportional to 804,961.38, 1,110,792.84 and 442,377.42 is: 610,451.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,961.38 : 1,110,792.84 = 442,377.42 : x
  2. Step 2: Convert to fraction form
    804,961.38/1,110,792.84 = 442,377.42/x
  3. Step 3: Cross multiply
    804,961.38x = 1,110,792.84 × 442,377.42
  4. Step 4: Simplify right side
    804,961.38x = 491,389,670,713.67
  5. Step 5: Solve for x
    x = 491,389,670,713.67/804,961.38
  6. Step 6: Final answer
    x = 610,451.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.