Home / 723,560.22-1,085,345.19-218,122.65

Finding the Fourth Proportional to 723,560.22, 1,085,345.19 and 218,122.65

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Solution

The fourth proportional to 723,560.22, 1,085,345.19 and 218,122.65 is: 327,185.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,560.22 : 1,085,345.19 = 218,122.65 : x
  2. Step 2: Convert to fraction form
    723,560.22/1,085,345.19 = 218,122.65/x
  3. Step 3: Cross multiply
    723,560.22x = 1,085,345.19 × 218,122.65
  4. Step 4: Simplify right side
    723,560.22x = 236,738,369,007.55
  5. Step 5: Solve for x
    x = 236,738,369,007.55/723,560.22
  6. Step 6: Final answer
    x = 327,185.44

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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.