Home / 442,540.26-610,614.05-258,743.43

Finding the Fourth Proportional to 442,540.26, 610,614.05 and 258,743.43

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Solution

The fourth proportional to 442,540.26, 610,614.05 and 258,743.43 is: 357,012.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,540.26 : 610,614.05 = 258,743.43 : x
  2. Step 2: Convert to fraction form
    442,540.26/610,614.05 = 258,743.43/x
  3. Step 3: Cross multiply
    442,540.26x = 610,614.05 × 258,743.43
  4. Step 4: Simplify right side
    442,540.26x = 157,992,372,409.47
  5. Step 5: Solve for x
    x = 157,992,372,409.47/442,540.26
  6. Step 6: Final answer
    x = 357,012.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.