Home / 799,686.52-1,199,739.82-287,403.36

Finding the Fourth Proportional to 799,686.52, 1,199,739.82 and 287,403.36

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Solution

The fourth proportional to 799,686.52, 1,199,739.82 and 287,403.36 is: 431,180.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,686.52 : 1,199,739.82 = 287,403.36 : x
  2. Step 2: Convert to fraction form
    799,686.52/1,199,739.82 = 287,403.36/x
  3. Step 3: Cross multiply
    799,686.52x = 1,199,739.82 × 287,403.36
  4. Step 4: Simplify right side
    799,686.52x = 344,809,255,393.80
  5. Step 5: Solve for x
    x = 344,809,255,393.80/799,686.52
  6. Step 6: Final answer
    x = 431,180.53

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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.