Home / 689,450.22-1,034,179.91-240,179.58

Finding the Fourth Proportional to 689,450.22, 1,034,179.91 and 240,179.58

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Solution

The fourth proportional to 689,450.22, 1,034,179.91 and 240,179.58 is: 360,270.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,450.22 : 1,034,179.91 = 240,179.58 : x
  2. Step 2: Convert to fraction form
    689,450.22/1,034,179.91 = 240,179.58/x
  3. Step 3: Cross multiply
    689,450.22x = 1,034,179.91 × 240,179.58
  4. Step 4: Simplify right side
    689,450.22x = 248,388,895,227.34
  5. Step 5: Solve for x
    x = 248,388,895,227.34/689,450.22
  6. Step 6: Final answer
    x = 360,270.96

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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.