Home / 693,555.66-1,040,369.49-220,278.06

Finding the Fourth Proportional to 693,555.66, 1,040,369.49 and 220,278.06

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Solution

The fourth proportional to 693,555.66, 1,040,369.49 and 220,278.06 is: 330,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,555.66 : 1,040,369.49 = 220,278.06 : x
  2. Step 2: Convert to fraction form
    693,555.66/1,040,369.49 = 220,278.06/x
  3. Step 3: Cross multiply
    693,555.66x = 1,040,369.49 × 220,278.06
  4. Step 4: Simplify right side
    693,555.66x = 229,170,572,940.39
  5. Step 5: Solve for x
    x = 229,170,572,940.39/693,555.66
  6. Step 6: Final answer
    x = 330,428.52

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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.