Home / 861,727.24-1,293,181.26-300,761.74

Finding the Fourth Proportional to 861,727.24, 1,293,181.26 and 300,761.74

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Solution

The fourth proportional to 861,727.24, 1,293,181.26 and 300,761.74 is: 451,348.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,727.24 : 1,293,181.26 = 300,761.74 : x
  2. Step 2: Convert to fraction form
    861,727.24/1,293,181.26 = 300,761.74/x
  3. Step 3: Cross multiply
    861,727.24x = 1,293,181.26 × 300,761.74
  4. Step 4: Simplify right side
    861,727.24x = 388,939,445,892.99
  5. Step 5: Solve for x
    x = 388,939,445,892.99/861,727.24
  6. Step 6: Final answer
    x = 451,348.67

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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.