Home / 677,709.31-1,016,571.26-204,398.77

Finding the Fourth Proportional to 677,709.31, 1,016,571.26 and 204,398.77

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Solution

The fourth proportional to 677,709.31, 1,016,571.26 and 204,398.77 is: 306,600.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,709.31 : 1,016,571.26 = 204,398.77 : x
  2. Step 2: Convert to fraction form
    677,709.31/1,016,571.26 = 204,398.77/x
  3. Step 3: Cross multiply
    677,709.31x = 1,016,571.26 × 204,398.77
  4. Step 4: Simplify right side
    677,709.31x = 207,785,915,161.35
  5. Step 5: Solve for x
    x = 207,785,915,161.35/677,709.31
  6. Step 6: Final answer
    x = 306,600.36

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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.