Home / 893,249.62-1,339,121.28-387,429.82

Finding the Fourth Proportional to 893,249.62, 1,339,121.28 and 387,429.82

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Solution

The fourth proportional to 893,249.62, 1,339,121.28 and 387,429.82 is: 580,818.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,249.62 : 1,339,121.28 = 387,429.82 : x
  2. Step 2: Convert to fraction form
    893,249.62/1,339,121.28 = 387,429.82/x
  3. Step 3: Cross multiply
    893,249.62x = 1,339,121.28 × 387,429.82
  4. Step 4: Simplify right side
    893,249.62x = 518,815,516,468.57
  5. Step 5: Solve for x
    x = 518,815,516,468.57/893,249.62
  6. Step 6: Final answer
    x = 580,818.07

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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.