Home / 871,809.82-1,203,634.32-691,251.10

Finding the Fourth Proportional to 871,809.82, 1,203,634.32 and 691,251.10

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Solution

The fourth proportional to 871,809.82, 1,203,634.32 and 691,251.10 is: 954,352.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,809.82 : 1,203,634.32 = 691,251.10 : x
  2. Step 2: Convert to fraction form
    871,809.82/1,203,634.32 = 691,251.10/x
  3. Step 3: Cross multiply
    871,809.82x = 1,203,634.32 × 691,251.10
  4. Step 4: Simplify right side
    871,809.82x = 832,013,547,697.75
  5. Step 5: Solve for x
    x = 832,013,547,697.75/871,809.82
  6. Step 6: Final answer
    x = 954,352.12

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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.