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Finding the Fourth Proportional to 550,266.30, 825,399.45 and 379,024.20

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Solution

The fourth proportional to 550,266.30, 825,399.45 and 379,024.20 is: 568,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,266.30 : 825,399.45 = 379,024.20 : x
  2. Step 2: Convert to fraction form
    550,266.30/825,399.45 = 379,024.20/x
  3. Step 3: Cross multiply
    550,266.30x = 825,399.45 × 379,024.20
  4. Step 4: Simplify right side
    550,266.30x = 312,846,366,216.69
  5. Step 5: Solve for x
    x = 312,846,366,216.69/550,266.30
  6. Step 6: Final answer
    x = 568,536.30

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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.