Home / 774,807.26-1,162,237.12-206,188.90

Finding the Fourth Proportional to 774,807.26, 1,162,237.12 and 206,188.90

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Solution

The fourth proportional to 774,807.26, 1,162,237.12 and 206,188.90 is: 309,290.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,807.26 : 1,162,237.12 = 206,188.90 : x
  2. Step 2: Convert to fraction form
    774,807.26/1,162,237.12 = 206,188.90/x
  3. Step 3: Cross multiply
    774,807.26x = 1,162,237.12 × 206,188.90
  4. Step 4: Simplify right side
    774,807.26x = 239,640,393,311.97
  5. Step 5: Solve for x
    x = 239,640,393,311.97/774,807.26
  6. Step 6: Final answer
    x = 309,290.33

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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.