Home / 682,736.22-1,024,236.45-261,979.38

Finding the Fourth Proportional to 682,736.22, 1,024,236.45 and 261,979.38

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Solution

The fourth proportional to 682,736.22, 1,024,236.45 and 261,979.38 is: 393,019.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,736.22 : 1,024,236.45 = 261,979.38 : x
  2. Step 2: Convert to fraction form
    682,736.22/1,024,236.45 = 261,979.38/x
  3. Step 3: Cross multiply
    682,736.22x = 1,024,236.45 × 261,979.38
  4. Step 4: Simplify right side
    682,736.22x = 268,328,830,144.40
  5. Step 5: Solve for x
    x = 268,328,830,144.40/682,736.22
  6. Step 6: Final answer
    x = 393,019.77

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1.5x scale

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.