Home / 711,406.97-1,067,031.86-178,928.21

Finding the Fourth Proportional to 711,406.97, 1,067,031.86 and 178,928.21

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Solution

The fourth proportional to 711,406.97, 1,067,031.86 and 178,928.21 is: 268,372.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,406.97 : 1,067,031.86 = 178,928.21 : x
  2. Step 2: Convert to fraction form
    711,406.97/1,067,031.86 = 178,928.21/x
  3. Step 3: Cross multiply
    711,406.97x = 1,067,031.86 × 178,928.21
  4. Step 4: Simplify right side
    711,406.97x = 190,922,102,495.71
  5. Step 5: Solve for x
    x = 190,922,102,495.71/711,406.97
  6. Step 6: Final answer
    x = 268,372.55

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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.