Home / 681,759.52-1,022,639.28-208,444.88

Finding the Fourth Proportional to 681,759.52, 1,022,639.28 and 208,444.88

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Solution

The fourth proportional to 681,759.52, 1,022,639.28 and 208,444.88 is: 312,667.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,759.52 : 1,022,639.28 = 208,444.88 : x
  2. Step 2: Convert to fraction form
    681,759.52/1,022,639.28 = 208,444.88/x
  3. Step 3: Cross multiply
    681,759.52x = 1,022,639.28 × 208,444.88
  4. Step 4: Simplify right side
    681,759.52x = 213,163,922,002.89
  5. Step 5: Solve for x
    x = 213,163,922,002.89/681,759.52
  6. Step 6: Final answer
    x = 312,667.32

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Similar ratio
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1.5x scale

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.