Home / 843,612.47-1,265,550.68-274,861.55

Finding the Fourth Proportional to 843,612.47, 1,265,550.68 and 274,861.55

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Solution

The fourth proportional to 843,612.47, 1,265,550.68 and 274,861.55 is: 412,335.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,612.47 : 1,265,550.68 = 274,861.55 : x
  2. Step 2: Convert to fraction form
    843,612.47/1,265,550.68 = 274,861.55/x
  3. Step 3: Cross multiply
    843,612.47x = 1,265,550.68 × 274,861.55
  4. Step 4: Simplify right side
    843,612.47x = 347,851,225,359.39
  5. Step 5: Solve for x
    x = 347,851,225,359.39/843,612.47
  6. Step 6: Final answer
    x = 412,335.33

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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.