Home / 753,836.43-1,040,319.32-443,682.80

Finding the Fourth Proportional to 753,836.43, 1,040,319.32 and 443,682.80

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Solution

The fourth proportional to 753,836.43, 1,040,319.32 and 443,682.80 is: 612,297.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,836.43 : 1,040,319.32 = 443,682.80 : x
  2. Step 2: Convert to fraction form
    753,836.43/1,040,319.32 = 443,682.80/x
  3. Step 3: Cross multiply
    753,836.43x = 1,040,319.32 × 443,682.80
  4. Step 4: Simplify right side
    753,836.43x = 461,571,789,016.46
  5. Step 5: Solve for x
    x = 461,571,789,016.46/753,836.43
  6. Step 6: Final answer
    x = 612,297.01

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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.