Home / 677,715.81-1,016,581.02-204,405.27

Finding the Fourth Proportional to 677,715.81, 1,016,581.02 and 204,405.27

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Solution

The fourth proportional to 677,715.81, 1,016,581.02 and 204,405.27 is: 306,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,715.81 : 1,016,581.02 = 204,405.27 : x
  2. Step 2: Convert to fraction form
    677,715.81/1,016,581.02 = 204,405.27/x
  3. Step 3: Cross multiply
    677,715.81x = 1,016,581.02 × 204,405.27
  4. Step 4: Simplify right side
    677,715.81x = 207,794,517,869.98
  5. Step 5: Solve for x
    x = 207,794,517,869.98/677,715.81
  6. Step 6: Final answer
    x = 306,610.11

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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.