Home / 739,493.97-1,109,363.64-259,597.37

Finding the Fourth Proportional to 739,493.97, 1,109,363.64 and 259,597.37

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Solution

The fourth proportional to 739,493.97, 1,109,363.64 and 259,597.37 is: 389,439.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,493.97 : 1,109,363.64 = 259,597.37 : x
  2. Step 2: Convert to fraction form
    739,493.97/1,109,363.64 = 259,597.37/x
  3. Step 3: Cross multiply
    739,493.97x = 1,109,363.64 × 259,597.37
  4. Step 4: Simplify right side
    739,493.97x = 287,987,883,317.63
  5. Step 5: Solve for x
    x = 287,987,883,317.63/739,493.97
  6. Step 6: Final answer
    x = 389,439.12

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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.