Home / 819,057.24-1,228,588.61-250,436.21

Finding the Fourth Proportional to 819,057.24, 1,228,588.61 and 250,436.21

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Solution

The fourth proportional to 819,057.24, 1,228,588.61 and 250,436.21 is: 375,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,057.24 : 1,228,588.61 = 250,436.21 : x
  2. Step 2: Convert to fraction form
    819,057.24/1,228,588.61 = 250,436.21/x
  3. Step 3: Cross multiply
    819,057.24x = 1,228,588.61 × 250,436.21
  4. Step 4: Simplify right side
    819,057.24x = 307,683,067,742.44
  5. Step 5: Solve for x
    x = 307,683,067,742.44/819,057.24
  6. Step 6: Final answer
    x = 375,655.15

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Similar ratio
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1.5x scale

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.