Home / 778,998.10-1,169,020.82-273,562.96

Finding the Fourth Proportional to 778,998.10, 1,169,020.82 and 273,562.96

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Solution

The fourth proportional to 778,998.10, 1,169,020.82 and 273,562.96 is: 410,528.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,998.10 : 1,169,020.82 = 273,562.96 : x
  2. Step 2: Convert to fraction form
    778,998.10/1,169,020.82 = 273,562.96/x
  3. Step 3: Cross multiply
    778,998.10x = 1,169,020.82 × 273,562.96
  4. Step 4: Simplify right side
    778,998.10x = 319,800,795,820.83
  5. Step 5: Solve for x
    x = 319,800,795,820.83/778,998.10
  6. Step 6: Final answer
    x = 410,528.34

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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.