Home / 723,506.92-1,085,112.60-274,072.84

Finding the Fourth Proportional to 723,506.92, 1,085,112.60 and 274,072.84

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Solution

The fourth proportional to 723,506.92, 1,085,112.60 and 274,072.84 is: 411,053.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,506.92 : 1,085,112.60 = 274,072.84 : x
  2. Step 2: Convert to fraction form
    723,506.92/1,085,112.60 = 274,072.84/x
  3. Step 3: Cross multiply
    723,506.92x = 1,085,112.60 × 274,072.84
  4. Step 4: Simplify right side
    723,506.92x = 297,399,892,001.78
  5. Step 5: Solve for x
    x = 297,399,892,001.78/723,506.92
  6. Step 6: Final answer
    x = 411,053.28

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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.