Home / 789,408.82-1,089,882.30-547,606.81

Finding the Fourth Proportional to 789,408.82, 1,089,882.30 and 547,606.81

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Solution

The fourth proportional to 789,408.82, 1,089,882.30 and 547,606.81 is: 756,042.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,408.82 : 1,089,882.30 = 547,606.81 : x
  2. Step 2: Convert to fraction form
    789,408.82/1,089,882.30 = 547,606.81/x
  3. Step 3: Cross multiply
    789,408.82x = 1,089,882.30 × 547,606.81
  4. Step 4: Simplify right side
    789,408.82x = 596,826,969,578.46
  5. Step 5: Solve for x
    x = 596,826,969,578.46/789,408.82
  6. Step 6: Final answer
    x = 756,042.95

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1.5x scale

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.