Home / 800,912.03-1,200,709.51-374,236.83

Finding the Fourth Proportional to 800,912.03, 1,200,709.51 and 374,236.83

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Solution

The fourth proportional to 800,912.03, 1,200,709.51 and 374,236.83 is: 561,047.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,912.03 : 1,200,709.51 = 374,236.83 : x
  2. Step 2: Convert to fraction form
    800,912.03/1,200,709.51 = 374,236.83/x
  3. Step 3: Cross multiply
    800,912.03x = 1,200,709.51 × 374,236.83
  4. Step 4: Simplify right side
    800,912.03x = 449,349,719,837.66
  5. Step 5: Solve for x
    x = 449,349,719,837.66/800,912.03
  6. Step 6: Final answer
    x = 561,047.54

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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.