Home / 806,785.82-1,209,896.60-238,015.87

Finding the Fourth Proportional to 806,785.82, 1,209,896.60 and 238,015.87

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Solution

The fourth proportional to 806,785.82, 1,209,896.60 and 238,015.87 is: 356,940.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,785.82 : 1,209,896.60 = 238,015.87 : x
  2. Step 2: Convert to fraction form
    806,785.82/1,209,896.60 = 238,015.87/x
  3. Step 3: Cross multiply
    806,785.82x = 1,209,896.60 × 238,015.87
  4. Step 4: Simplify right side
    806,785.82x = 287,974,587,644.22
  5. Step 5: Solve for x
    x = 287,974,587,644.22/806,785.82
  6. Step 6: Final answer
    x = 356,940.57

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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.