Home / 801,428.80-1,200,234.92-463,757.80

Finding the Fourth Proportional to 801,428.80, 1,200,234.92 and 463,757.80

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Solution

The fourth proportional to 801,428.80, 1,200,234.92 and 463,757.80 is: 694,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,428.80 : 1,200,234.92 = 463,757.80 : x
  2. Step 2: Convert to fraction form
    801,428.80/1,200,234.92 = 463,757.80/x
  3. Step 3: Cross multiply
    801,428.80x = 1,200,234.92 × 463,757.80
  4. Step 4: Simplify right side
    801,428.80x = 556,618,305,982.38
  5. Step 5: Solve for x
    x = 556,618,305,982.38/801,428.80
  6. Step 6: Final answer
    x = 694,532.45

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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.