Home / 836,535.96-1,254,249.18-303,993.72

Finding the Fourth Proportional to 836,535.96, 1,254,249.18 and 303,993.72

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Solution

The fourth proportional to 836,535.96, 1,254,249.18 and 303,993.72 is: 455,788.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,535.96 : 1,254,249.18 = 303,993.72 : x
  2. Step 2: Convert to fraction form
    836,535.96/1,254,249.18 = 303,993.72/x
  3. Step 3: Cross multiply
    836,535.96x = 1,254,249.18 × 303,993.72
  4. Step 4: Simplify right side
    836,535.96x = 381,283,874,035.15
  5. Step 5: Solve for x
    x = 381,283,874,035.15/836,535.96
  6. Step 6: Final answer
    x = 455,788.98

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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.