Home / 681,722.24-1,022,585.76-208,405.76

Finding the Fourth Proportional to 681,722.24, 1,022,585.76 and 208,405.76

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Solution

The fourth proportional to 681,722.24, 1,022,585.76 and 208,405.76 is: 312,609.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,722.24 : 1,022,585.76 = 208,405.76 : x
  2. Step 2: Convert to fraction form
    681,722.24/1,022,585.76 = 208,405.76/x
  3. Step 3: Cross multiply
    681,722.24x = 1,022,585.76 × 208,405.76
  4. Step 4: Simplify right side
    681,722.24x = 213,112,762,477.98
  5. Step 5: Solve for x
    x = 213,112,762,477.98/681,722.24
  6. Step 6: Final answer
    x = 312,609.37

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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.