Home / 723,894.26-1,085,841.39-664,174.58

Finding the Fourth Proportional to 723,894.26, 1,085,841.39 and 664,174.58

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Solution

The fourth proportional to 723,894.26, 1,085,841.39 and 664,174.58 is: 996,261.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,894.26 : 1,085,841.39 = 664,174.58 : x
  2. Step 2: Convert to fraction form
    723,894.26/1,085,841.39 = 664,174.58/x
  3. Step 3: Cross multiply
    723,894.26x = 1,085,841.39 × 664,174.58
  4. Step 4: Simplify right side
    723,894.26x = 721,188,249,149.87
  5. Step 5: Solve for x
    x = 721,188,249,149.87/723,894.26
  6. Step 6: Final answer
    x = 996,261.87

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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.