Home / 804,530.28-1,206,794.37-205,491.90

Finding the Fourth Proportional to 804,530.28, 1,206,794.37 and 205,491.90

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Solution

The fourth proportional to 804,530.28, 1,206,794.37 and 205,491.90 is: 308,237.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,530.28 : 1,206,794.37 = 205,491.90 : x
  2. Step 2: Convert to fraction form
    804,530.28/1,206,794.37 = 205,491.90/x
  3. Step 3: Cross multiply
    804,530.28x = 1,206,794.37 × 205,491.90
  4. Step 4: Simplify right side
    804,530.28x = 247,986,468,000.60
  5. Step 5: Solve for x
    x = 247,986,468,000.60/804,530.28
  6. Step 6: Final answer
    x = 308,237.58

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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.