Home / 761,906.92-1,051,433.03-422,375.17

Finding the Fourth Proportional to 761,906.92, 1,051,433.03 and 422,375.17

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Solution

The fourth proportional to 761,906.92, 1,051,433.03 and 422,375.17 is: 582,878.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,906.92 : 1,051,433.03 = 422,375.17 : x
  2. Step 2: Convert to fraction form
    761,906.92/1,051,433.03 = 422,375.17/x
  3. Step 3: Cross multiply
    761,906.92x = 1,051,433.03 × 422,375.17
  4. Step 4: Simplify right side
    761,906.92x = 444,099,204,789.87
  5. Step 5: Solve for x
    x = 444,099,204,789.87/761,906.92
  6. Step 6: Final answer
    x = 582,878.56

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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.