Home / 443,105.84-664,875.64-274,581.09

Finding the Fourth Proportional to 443,105.84, 664,875.64 and 274,581.09

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Solution

The fourth proportional to 443,105.84, 664,875.64 and 274,581.09 is: 412,006.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,105.84 : 664,875.64 = 274,581.09 : x
  2. Step 2: Convert to fraction form
    443,105.84/664,875.64 = 274,581.09/x
  3. Step 3: Cross multiply
    443,105.84x = 664,875.64 × 274,581.09
  4. Step 4: Simplify right side
    443,105.84x = 182,562,278,288.87
  5. Step 5: Solve for x
    x = 182,562,278,288.87/443,105.84
  6. Step 6: Final answer
    x = 412,006.03

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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.