Home / 801,087.89-1,200,801.42-500,879.07

Finding the Fourth Proportional to 801,087.89, 1,200,801.42 and 500,879.07

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Solution

The fourth proportional to 801,087.89, 1,200,801.42 and 500,879.07 is: 750,799.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,087.89 : 1,200,801.42 = 500,879.07 : x
  2. Step 2: Convert to fraction form
    801,087.89/1,200,801.42 = 500,879.07/x
  3. Step 3: Cross multiply
    801,087.89x = 1,200,801.42 × 500,879.07
  4. Step 4: Simplify right side
    801,087.89x = 601,456,298,504.28
  5. Step 5: Solve for x
    x = 601,456,298,504.28/801,087.89
  6. Step 6: Final answer
    x = 750,799.39

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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.