Home / 739,720.97-1,109,592.39-207,208.34

Finding the Fourth Proportional to 739,720.97, 1,109,592.39 and 207,208.34

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Solution

The fourth proportional to 739,720.97, 1,109,592.39 and 207,208.34 is: 310,815.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,720.97 : 1,109,592.39 = 207,208.34 : x
  2. Step 2: Convert to fraction form
    739,720.97/1,109,592.39 = 207,208.34/x
  3. Step 3: Cross multiply
    739,720.97x = 1,109,592.39 × 207,208.34
  4. Step 4: Simplify right side
    739,720.97x = 229,916,790,624.53
  5. Step 5: Solve for x
    x = 229,916,790,624.53/739,720.97
  6. Step 6: Final answer
    x = 310,815.57

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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.