Home / 535,688.48-739,067-306,081.04

Finding the Fourth Proportional to 535,688.48, 739,067 and 306,081.04

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Solution

The fourth proportional to 535,688.48, 739,067 and 306,081.04 is: 422,287.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,688.48 : 739,067 = 306,081.04 : x
  2. Step 2: Convert to fraction form
    535,688.48/739,067 = 306,081.04/x
  3. Step 3: Cross multiply
    535,688.48x = 739,067 × 306,081.04
  4. Step 4: Simplify right side
    535,688.48x = 226,214,395,989.68
  5. Step 5: Solve for x
    x = 226,214,395,989.68/535,688.48
  6. Step 6: Final answer
    x = 422,287.21

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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.