Home / 739,618.53-1,109,491.17-259,804.63

Finding the Fourth Proportional to 739,618.53, 1,109,491.17 and 259,804.63

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Solution

The fourth proportional to 739,618.53, 1,109,491.17 and 259,804.63 is: 389,729.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,618.53 : 1,109,491.17 = 259,804.63 : x
  2. Step 2: Convert to fraction form
    739,618.53/1,109,491.17 = 259,804.63/x
  3. Step 3: Cross multiply
    739,618.53x = 1,109,491.17 × 259,804.63
  4. Step 4: Simplify right side
    739,618.53x = 288,250,942,910.12
  5. Step 5: Solve for x
    x = 288,250,942,910.12/739,618.53
  6. Step 6: Final answer
    x = 389,729.21

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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.