Home / 681,605.13-1,022,410.13-208,288.52

Finding the Fourth Proportional to 681,605.13, 1,022,410.13 and 208,288.52

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Solution

The fourth proportional to 681,605.13, 1,022,410.13 and 208,288.52 is: 312,433.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,605.13 : 1,022,410.13 = 208,288.52 : x
  2. Step 2: Convert to fraction form
    681,605.13/1,022,410.13 = 208,288.52/x
  3. Step 3: Cross multiply
    681,605.13x = 1,022,410.13 × 208,288.52
  4. Step 4: Simplify right side
    681,605.13x = 212,956,286,657.21
  5. Step 5: Solve for x
    x = 212,956,286,657.21/681,605.13
  6. Step 6: Final answer
    x = 312,433.52

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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.