Home / 490,501.22-676,896.14-296,913.38

Finding the Fourth Proportional to 490,501.22, 676,896.14 and 296,913.38

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Solution

The fourth proportional to 490,501.22, 676,896.14 and 296,913.38 is: 409,743.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,501.22 : 676,896.14 = 296,913.38 : x
  2. Step 2: Convert to fraction form
    490,501.22/676,896.14 = 296,913.38/x
  3. Step 3: Cross multiply
    490,501.22x = 676,896.14 × 296,913.38
  4. Step 4: Simplify right side
    490,501.22x = 200,979,518,194.16
  5. Step 5: Solve for x
    x = 200,979,518,194.16/490,501.22
  6. Step 6: Final answer
    x = 409,743.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.