Home / 693,754.47-1,040,410.23-220,329.09

Finding the Fourth Proportional to 693,754.47, 1,040,410.23 and 220,329.09

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Solution

The fourth proportional to 693,754.47, 1,040,410.23 and 220,329.09 is: 330,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,754.47 : 1,040,410.23 = 220,329.09 : x
  2. Step 2: Convert to fraction form
    693,754.47/1,040,410.23 = 220,329.09/x
  3. Step 3: Cross multiply
    693,754.47x = 1,040,410.23 × 220,329.09
  4. Step 4: Simplify right side
    693,754.47x = 229,232,639,202.59
  5. Step 5: Solve for x
    x = 229,232,639,202.59/693,754.47
  6. Step 6: Final answer
    x = 330,423.30

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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.