Home / 793,756.72-1,190,782.77-261,315.19

Finding the Fourth Proportional to 793,756.72, 1,190,782.77 and 261,315.19

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Solution

The fourth proportional to 793,756.72, 1,190,782.77 and 261,315.19 is: 392,021.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,756.72 : 1,190,782.77 = 261,315.19 : x
  2. Step 2: Convert to fraction form
    793,756.72/1,190,782.77 = 261,315.19/x
  3. Step 3: Cross multiply
    793,756.72x = 1,190,782.77 × 261,315.19
  4. Step 4: Simplify right side
    793,756.72x = 311,169,625,791.28
  5. Step 5: Solve for x
    x = 311,169,625,791.28/793,756.72
  6. Step 6: Final answer
    x = 392,021.41

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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.