Home / 793,605.80-1,190,165.70-261,003.80

Finding the Fourth Proportional to 793,605.80, 1,190,165.70 and 261,003.80

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Solution

The fourth proportional to 793,605.80, 1,190,165.70 and 261,003.80 is: 391,425.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,605.80 : 1,190,165.70 = 261,003.80 : x
  2. Step 2: Convert to fraction form
    793,605.80/1,190,165.70 = 261,003.80/x
  3. Step 3: Cross multiply
    793,605.80x = 1,190,165.70 × 261,003.80
  4. Step 4: Simplify right side
    793,605.80x = 310,637,770,329.66
  5. Step 5: Solve for x
    x = 310,637,770,329.66/793,605.80
  6. Step 6: Final answer
    x = 391,425.78

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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.