Home / 677,709.65-1,016,571.77-204,399.11

Finding the Fourth Proportional to 677,709.65, 1,016,571.77 and 204,399.11

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Solution

The fourth proportional to 677,709.65, 1,016,571.77 and 204,399.11 is: 306,600.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,709.65 : 1,016,571.77 = 204,399.11 : x
  2. Step 2: Convert to fraction form
    677,709.65/1,016,571.77 = 204,399.11/x
  3. Step 3: Cross multiply
    677,709.65x = 1,016,571.77 × 204,399.11
  4. Step 4: Simplify right side
    677,709.65x = 207,786,365,039.13
  5. Step 5: Solve for x
    x = 207,786,365,039.13/677,709.65
  6. Step 6: Final answer
    x = 306,600.87

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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.