Home / 835,999.80-1,253,999.70-275,052.60

Finding the Fourth Proportional to 835,999.80, 1,253,999.70 and 275,052.60

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Solution

The fourth proportional to 835,999.80, 1,253,999.70 and 275,052.60 is: 412,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,999.80 : 1,253,999.70 = 275,052.60 : x
  2. Step 2: Convert to fraction form
    835,999.80/1,253,999.70 = 275,052.60/x
  3. Step 3: Cross multiply
    835,999.80x = 1,253,999.70 × 275,052.60
  4. Step 4: Simplify right side
    835,999.80x = 344,915,877,884.22
  5. Step 5: Solve for x
    x = 344,915,877,884.22/835,999.80
  6. Step 6: Final answer
    x = 412,578.90

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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.