Home / 654,322.02-981,481.55-205,077.12

Finding the Fourth Proportional to 654,322.02, 981,481.55 and 205,077.12

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Solution

The fourth proportional to 654,322.02, 981,481.55 and 205,077.12 is: 307,615.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,322.02 : 981,481.55 = 205,077.12 : x
  2. Step 2: Convert to fraction form
    654,322.02/981,481.55 = 205,077.12/x
  3. Step 3: Cross multiply
    654,322.02x = 981,481.55 × 205,077.12
  4. Step 4: Simplify right side
    654,322.02x = 201,279,408,581.75
  5. Step 5: Solve for x
    x = 201,279,408,581.75/654,322.02
  6. Step 6: Final answer
    x = 307,615.21

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Double scale
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Similar ratio
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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.