Home / 856,109.52-1,284,067.08-225,072.54

Finding the Fourth Proportional to 856,109.52, 1,284,067.08 and 225,072.54

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Solution

The fourth proportional to 856,109.52, 1,284,067.08 and 225,072.54 is: 337,583.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,109.52 : 1,284,067.08 = 225,072.54 : x
  2. Step 2: Convert to fraction form
    856,109.52/1,284,067.08 = 225,072.54/x
  3. Step 3: Cross multiply
    856,109.52x = 1,284,067.08 × 225,072.54
  4. Step 4: Simplify right side
    856,109.52x = 289,008,239,225.98
  5. Step 5: Solve for x
    x = 289,008,239,225.98/856,109.52
  6. Step 6: Final answer
    x = 337,583.26

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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.