Home / 800,486.40-1,201,010.88-500,626.56

Finding the Fourth Proportional to 800,486.40, 1,201,010.88 and 500,626.56

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Solution

The fourth proportional to 800,486.40, 1,201,010.88 and 500,626.56 is: 751,115.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,486.40 : 1,201,010.88 = 500,626.56 : x
  2. Step 2: Convert to fraction form
    800,486.40/1,201,010.88 = 500,626.56/x
  3. Step 3: Cross multiply
    800,486.40x = 1,201,010.88 × 500,626.56
  4. Step 4: Simplify right side
    800,486.40x = 601,257,945,376.97
  5. Step 5: Solve for x
    x = 601,257,945,376.97/800,486.40
  6. Step 6: Final answer
    x = 751,115.75

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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.