Home / 801,732.27-1,201,728.87-401,407.59

Finding the Fourth Proportional to 801,732.27, 1,201,728.87 and 401,407.59

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Solution

The fourth proportional to 801,732.27, 1,201,728.87 and 401,407.59 is: 601,676.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,732.27 : 1,201,728.87 = 401,407.59 : x
  2. Step 2: Convert to fraction form
    801,732.27/1,201,728.87 = 401,407.59/x
  3. Step 3: Cross multiply
    801,732.27x = 1,201,728.87 × 401,407.59
  4. Step 4: Simplify right side
    801,732.27x = 482,383,089,540.12
  5. Step 5: Solve for x
    x = 482,383,089,540.12/801,732.27
  6. Step 6: Final answer
    x = 601,676.03

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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.