Home / 774,641.93-1,162,149.70-269,129.33

Finding the Fourth Proportional to 774,641.93, 1,162,149.70 and 269,129.33

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Solution

The fourth proportional to 774,641.93, 1,162,149.70 and 269,129.33 is: 403,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,641.93 : 1,162,149.70 = 269,129.33 : x
  2. Step 2: Convert to fraction form
    774,641.93/1,162,149.70 = 269,129.33/x
  3. Step 3: Cross multiply
    774,641.93x = 1,162,149.70 × 269,129.33
  4. Step 4: Simplify right side
    774,641.93x = 312,768,568,775.05
  5. Step 5: Solve for x
    x = 312,768,568,775.05/774,641.93
  6. Step 6: Final answer
    x = 403,758.90

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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.