Home / 774,833.98-1,162,260.68-206,211.57

Finding the Fourth Proportional to 774,833.98, 1,162,260.68 and 206,211.57

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Solution

The fourth proportional to 774,833.98, 1,162,260.68 and 206,211.57 is: 309,319.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,833.98 : 1,162,260.68 = 206,211.57 : x
  2. Step 2: Convert to fraction form
    774,833.98/1,162,260.68 = 206,211.57/x
  3. Step 3: Cross multiply
    774,833.98x = 1,162,260.68 × 206,211.57
  4. Step 4: Simplify right side
    774,833.98x = 239,671,595,395.21
  5. Step 5: Solve for x
    x = 239,671,595,395.21/774,833.98
  6. Step 6: Final answer
    x = 309,319.94

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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.