Home / 774,687.57-1,162,098.31-213,722.07

Finding the Fourth Proportional to 774,687.57, 1,162,098.31 and 213,722.07

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Solution

The fourth proportional to 774,687.57, 1,162,098.31 and 213,722.07 is: 320,601.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,687.57 : 1,162,098.31 = 213,722.07 : x
  2. Step 2: Convert to fraction form
    774,687.57/1,162,098.31 = 213,722.07/x
  3. Step 3: Cross multiply
    774,687.57x = 1,162,098.31 × 213,722.07
  4. Step 4: Simplify right side
    774,687.57x = 248,366,056,356.70
  5. Step 5: Solve for x
    x = 248,366,056,356.70/774,687.57
  6. Step 6: Final answer
    x = 320,601.58

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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.