Home / 681,759.54-1,022,639.28-208,444.86

Finding the Fourth Proportional to 681,759.54, 1,022,639.28 and 208,444.86

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Solution

The fourth proportional to 681,759.54, 1,022,639.28 and 208,444.86 is: 312,667.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,759.54 : 1,022,639.28 = 208,444.86 : x
  2. Step 2: Convert to fraction form
    681,759.54/1,022,639.28 = 208,444.86/x
  3. Step 3: Cross multiply
    681,759.54x = 1,022,639.28 × 208,444.86
  4. Step 4: Simplify right side
    681,759.54x = 213,163,901,550.10
  5. Step 5: Solve for x
    x = 213,163,901,550.10/681,759.54
  6. Step 6: Final answer
    x = 312,667.28

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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.