Home / 681,837.29-1,022,749.18-261,113.17

Finding the Fourth Proportional to 681,837.29, 1,022,749.18 and 261,113.17

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Solution

The fourth proportional to 681,837.29, 1,022,749.18 and 261,113.17 is: 391,667.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,837.29 : 1,022,749.18 = 261,113.17 : x
  2. Step 2: Convert to fraction form
    681,837.29/1,022,749.18 = 261,113.17/x
  3. Step 3: Cross multiply
    681,837.29x = 1,022,749.18 × 261,113.17
  4. Step 4: Simplify right side
    681,837.29x = 267,053,280,681.46
  5. Step 5: Solve for x
    x = 267,053,280,681.46/681,837.29
  6. Step 6: Final answer
    x = 391,667.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.