Home / 693,549.16-1,040,359.76-220,271.56

Finding the Fourth Proportional to 693,549.16, 1,040,359.76 and 220,271.56

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Solution

The fourth proportional to 693,549.16, 1,040,359.76 and 220,271.56 is: 330,418.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,549.16 : 1,040,359.76 = 220,271.56 : x
  2. Step 2: Convert to fraction form
    693,549.16/1,040,359.76 = 220,271.56/x
  3. Step 3: Cross multiply
    693,549.16x = 1,040,359.76 × 220,271.56
  4. Step 4: Simplify right side
    693,549.16x = 229,161,667,296.43
  5. Step 5: Solve for x
    x = 229,161,667,296.43/693,549.16
  6. Step 6: Final answer
    x = 330,418.78

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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.