Home / 800,874.84-1,105,192.44-438,291.30

Finding the Fourth Proportional to 800,874.84, 1,105,192.44 and 438,291.30

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Solution

The fourth proportional to 800,874.84, 1,105,192.44 and 438,291.30 is: 604,833.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,874.84 : 1,105,192.44 = 438,291.30 : x
  2. Step 2: Convert to fraction form
    800,874.84/1,105,192.44 = 438,291.30/x
  3. Step 3: Cross multiply
    800,874.84x = 1,105,192.44 × 438,291.30
  4. Step 4: Simplify right side
    800,874.84x = 484,396,231,277.77
  5. Step 5: Solve for x
    x = 484,396,231,277.77/800,874.84
  6. Step 6: Final answer
    x = 604,833.87

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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.