Home / 871,799.82-1,203,620.49-691,241.10

Finding the Fourth Proportional to 871,799.82, 1,203,620.49 and 691,241.10

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Solution

The fourth proportional to 871,799.82, 1,203,620.49 and 691,241.10 is: 954,338.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,799.82 : 1,203,620.49 = 691,241.10 : x
  2. Step 2: Convert to fraction form
    871,799.82/1,203,620.49 = 691,241.10/x
  3. Step 3: Cross multiply
    871,799.82x = 1,203,620.49 × 691,241.10
  4. Step 4: Simplify right side
    871,799.82x = 831,991,951,490.14
  5. Step 5: Solve for x
    x = 831,991,951,490.14/871,799.82
  6. Step 6: Final answer
    x = 954,338.29

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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.