Home / 778,993.35-1,169,013.69-273,558.21

Finding the Fourth Proportional to 778,993.35, 1,169,013.69 and 273,558.21

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Solution

The fourth proportional to 778,993.35, 1,169,013.69 and 273,558.21 is: 410,521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,993.35 : 1,169,013.69 = 273,558.21 : x
  2. Step 2: Convert to fraction form
    778,993.35/1,169,013.69 = 273,558.21/x
  3. Step 3: Cross multiply
    778,993.35x = 1,169,013.69 × 273,558.21
  4. Step 4: Simplify right side
    778,993.35x = 319,793,292,501.90
  5. Step 5: Solve for x
    x = 319,793,292,501.90/778,993.35
  6. Step 6: Final answer
    x = 410,521.21

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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.