Home / 685,689.03-1,028,522.61-187,053.03

Finding the Fourth Proportional to 685,689.03, 1,028,522.61 and 187,053.03

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Solution

The fourth proportional to 685,689.03, 1,028,522.61 and 187,053.03 is: 280,576.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,689.03 : 1,028,522.61 = 187,053.03 : x
  2. Step 2: Convert to fraction form
    685,689.03/1,028,522.61 = 187,053.03/x
  3. Step 3: Cross multiply
    685,689.03x = 1,028,522.61 × 187,053.03
  4. Step 4: Simplify right side
    685,689.03x = 192,388,270,624.01
  5. Step 5: Solve for x
    x = 192,388,270,624.01/685,689.03
  6. Step 6: Final answer
    x = 280,576.56

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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.