Home / 774,809.76-1,162,240.86-206,191.41

Finding the Fourth Proportional to 774,809.76, 1,162,240.86 and 206,191.41

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Solution

The fourth proportional to 774,809.76, 1,162,240.86 and 206,191.41 is: 309,294.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,809.76 : 1,162,240.86 = 206,191.41 : x
  2. Step 2: Convert to fraction form
    774,809.76/1,162,240.86 = 206,191.41/x
  3. Step 3: Cross multiply
    774,809.76x = 1,162,240.86 × 206,191.41
  4. Step 4: Simplify right side
    774,809.76x = 239,644,081,683.01
  5. Step 5: Solve for x
    x = 239,644,081,683.01/774,809.76
  6. Step 6: Final answer
    x = 309,294.09

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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.