Home / 871,788.57-1,203,604.97-691,229.85

Finding the Fourth Proportional to 871,788.57, 1,203,604.97 and 691,229.85

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Solution

The fourth proportional to 871,788.57, 1,203,604.97 and 691,229.85 is: 954,322.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,788.57 : 1,203,604.97 = 691,229.85 : x
  2. Step 2: Convert to fraction form
    871,788.57/1,203,604.97 = 691,229.85/x
  3. Step 3: Cross multiply
    871,788.57x = 1,203,604.97 × 691,229.85
  4. Step 4: Simplify right side
    871,788.57x = 831,967,679,416.21
  5. Step 5: Solve for x
    x = 831,967,679,416.21/871,788.57
  6. Step 6: Final answer
    x = 954,322.77

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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.