Home / 713,890.38-1,070,491.11-414,446.34

Finding the Fourth Proportional to 713,890.38, 1,070,491.11 and 414,446.34

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Solution

The fourth proportional to 713,890.38, 1,070,491.11 and 414,446.34 is: 621,469.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,890.38 : 1,070,491.11 = 414,446.34 : x
  2. Step 2: Convert to fraction form
    713,890.38/1,070,491.11 = 414,446.34/x
  3. Step 3: Cross multiply
    713,890.38x = 1,070,491.11 × 414,446.34
  4. Step 4: Simplify right side
    713,890.38x = 443,661,122,542.04
  5. Step 5: Solve for x
    x = 443,661,122,542.04/713,890.38
  6. Step 6: Final answer
    x = 621,469.54

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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.