Home / 739,809-1,108,827.14-379,610.10

Finding the Fourth Proportional to 739,809, 1,108,827.14 and 379,610.10

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Solution

The fourth proportional to 739,809, 1,108,827.14 and 379,610.10 is: 568,960.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,809 : 1,108,827.14 = 379,610.10 : x
  2. Step 2: Convert to fraction form
    739,809/1,108,827.14 = 379,610.10/x
  3. Step 3: Cross multiply
    739,809x = 1,108,827.14 × 379,610.10
  4. Step 4: Simplify right side
    739,809x = 420,921,981,498.11
  5. Step 5: Solve for x
    x = 420,921,981,498.11/739,809
  6. Step 6: Final answer
    x = 568,960.34

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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.