Home / 724,467.05-1,086,665.50-275,152.85

Finding the Fourth Proportional to 724,467.05, 1,086,665.50 and 275,152.85

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Solution

The fourth proportional to 724,467.05, 1,086,665.50 and 275,152.85 is: 412,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,467.05 : 1,086,665.50 = 275,152.85 : x
  2. Step 2: Convert to fraction form
    724,467.05/1,086,665.50 = 275,152.85/x
  3. Step 3: Cross multiply
    724,467.05x = 1,086,665.50 × 275,152.85
  4. Step 4: Simplify right side
    724,467.05x = 298,999,109,321.68
  5. Step 5: Solve for x
    x = 298,999,109,321.68/724,467.05
  6. Step 6: Final answer
    x = 412,715.95

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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.