Home / 723,578.62-1,085,524.67-218,097.31

Finding the Fourth Proportional to 723,578.62, 1,085,524.67 and 218,097.31

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Solution

The fourth proportional to 723,578.62, 1,085,524.67 and 218,097.31 is: 327,193.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,578.62 : 1,085,524.67 = 218,097.31 : x
  2. Step 2: Convert to fraction form
    723,578.62/1,085,524.67 = 218,097.31/x
  3. Step 3: Cross multiply
    723,578.62x = 1,085,524.67 × 218,097.31
  4. Step 4: Simplify right side
    723,578.62x = 236,750,009,375.15
  5. Step 5: Solve for x
    x = 236,750,009,375.15/723,578.62
  6. Step 6: Final answer
    x = 327,193.21

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1.5x scale

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.