Home / 871,808.82-1,203,632.94-691,250.10

Finding the Fourth Proportional to 871,808.82, 1,203,632.94 and 691,250.10

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Solution

The fourth proportional to 871,808.82, 1,203,632.94 and 691,250.10 is: 954,350.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,808.82 : 1,203,632.94 = 691,250.10 : x
  2. Step 2: Convert to fraction form
    871,808.82/1,203,632.94 = 691,250.10/x
  3. Step 3: Cross multiply
    871,808.82x = 1,203,632.94 × 691,250.10
  4. Step 4: Simplify right side
    871,808.82x = 832,011,390,138.29
  5. Step 5: Solve for x
    x = 832,011,390,138.29/871,808.82
  6. Step 6: Final answer
    x = 954,350.74

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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.