Home / 739,324.70-1,109,482.43-259,553.93

Finding the Fourth Proportional to 739,324.70, 1,109,482.43 and 259,553.93

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Solution

The fourth proportional to 739,324.70, 1,109,482.43 and 259,553.93 is: 389,504.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,324.70 : 1,109,482.43 = 259,553.93 : x
  2. Step 2: Convert to fraction form
    739,324.70/1,109,482.43 = 259,553.93/x
  3. Step 3: Cross multiply
    739,324.70x = 1,109,482.43 × 259,553.93
  4. Step 4: Simplify right side
    739,324.70x = 287,970,526,448.39
  5. Step 5: Solve for x
    x = 287,970,526,448.39/739,324.70
  6. Step 6: Final answer
    x = 389,504.81

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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.