Home / 693,891.50-1,040,614.29-220,466.21

Finding the Fourth Proportional to 693,891.50, 1,040,614.29 and 220,466.21

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Solution

The fourth proportional to 693,891.50, 1,040,614.29 and 220,466.21 is: 330,628.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,891.50 : 1,040,614.29 = 220,466.21 : x
  2. Step 2: Convert to fraction form
    693,891.50/1,040,614.29 = 220,466.21/x
  3. Step 3: Cross multiply
    693,891.50x = 1,040,614.29 × 220,466.21
  4. Step 4: Simplify right side
    693,891.50x = 229,420,283,385.07
  5. Step 5: Solve for x
    x = 229,420,283,385.07/693,891.50
  6. Step 6: Final answer
    x = 330,628.47

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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.