Home / 801,087.90-1,200,801.45-500,879.09

Finding the Fourth Proportional to 801,087.90, 1,200,801.45 and 500,879.09

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Solution

The fourth proportional to 801,087.90, 1,200,801.45 and 500,879.09 is: 750,799.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,087.90 : 1,200,801.45 = 500,879.09 : x
  2. Step 2: Convert to fraction form
    801,087.90/1,200,801.45 = 500,879.09/x
  3. Step 3: Cross multiply
    801,087.90x = 1,200,801.45 × 500,879.09
  4. Step 4: Simplify right side
    801,087.90x = 601,456,342,426.98
  5. Step 5: Solve for x
    x = 601,456,342,426.98/801,087.90
  6. Step 6: Final answer
    x = 750,799.44

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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.