Home / 805,245.45-1,207,668.94-481,122.03

Finding the Fourth Proportional to 805,245.45, 1,207,668.94 and 481,122.03

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Solution

The fourth proportional to 805,245.45, 1,207,668.94 and 481,122.03 is: 721,564.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,245.45 : 1,207,668.94 = 481,122.03 : x
  2. Step 2: Convert to fraction form
    805,245.45/1,207,668.94 = 481,122.03/x
  3. Step 3: Cross multiply
    805,245.45x = 1,207,668.94 × 481,122.03
  4. Step 4: Simplify right side
    805,245.45x = 581,036,131,219.88
  5. Step 5: Solve for x
    x = 581,036,131,219.88/805,245.45
  6. Step 6: Final answer
    x = 721,564.00

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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.