Home / 801,428.58-1,200,234.51-463,757.40

Finding the Fourth Proportional to 801,428.58, 1,200,234.51 and 463,757.40

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Solution

The fourth proportional to 801,428.58, 1,200,234.51 and 463,757.40 is: 694,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,428.58 : 1,200,234.51 = 463,757.40 : x
  2. Step 2: Convert to fraction form
    801,428.58/1,200,234.51 = 463,757.40/x
  3. Step 3: Cross multiply
    801,428.58x = 1,200,234.51 × 463,757.40
  4. Step 4: Simplify right side
    801,428.58x = 556,617,635,747.87
  5. Step 5: Solve for x
    x = 556,617,635,747.87/801,428.58
  6. Step 6: Final answer
    x = 694,531.80

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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.