Home / 825,568.65-1,238,220-226,390.68

Finding the Fourth Proportional to 825,568.65, 1,238,220 and 226,390.68

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Solution

The fourth proportional to 825,568.65, 1,238,220 and 226,390.68 is: 339,549.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,568.65 : 1,238,220 = 226,390.68 : x
  2. Step 2: Convert to fraction form
    825,568.65/1,238,220 = 226,390.68/x
  3. Step 3: Cross multiply
    825,568.65x = 1,238,220 × 226,390.68
  4. Step 4: Simplify right side
    825,568.65x = 280,321,467,789.60
  5. Step 5: Solve for x
    x = 280,321,467,789.60/825,568.65
  6. Step 6: Final answer
    x = 339,549.56

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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.