Home / 744,758.42-1,116,249.87-518,895.86

Finding the Fourth Proportional to 744,758.42, 1,116,249.87 and 518,895.86

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Solution

The fourth proportional to 744,758.42, 1,116,249.87 and 518,895.86 is: 777,725.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,758.42 : 1,116,249.87 = 518,895.86 : x
  2. Step 2: Convert to fraction form
    744,758.42/1,116,249.87 = 518,895.86/x
  3. Step 3: Cross multiply
    744,758.42x = 1,116,249.87 × 518,895.86
  4. Step 4: Simplify right side
    744,758.42x = 579,217,436,268.54
  5. Step 5: Solve for x
    x = 579,217,436,268.54/744,758.42
  6. Step 6: Final answer
    x = 777,725.26

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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.