Home / 699,863.09-1,049,977.96-220,071.53

Finding the Fourth Proportional to 699,863.09, 1,049,977.96 and 220,071.53

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Solution

The fourth proportional to 699,863.09, 1,049,977.96 and 220,071.53 is: 330,164.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,863.09 : 1,049,977.96 = 220,071.53 : x
  2. Step 2: Convert to fraction form
    699,863.09/1,049,977.96 = 220,071.53/x
  3. Step 3: Cross multiply
    699,863.09x = 1,049,977.96 × 220,071.53
  4. Step 4: Simplify right side
    699,863.09x = 231,070,258,198.25
  5. Step 5: Solve for x
    x = 231,070,258,198.25/699,863.09
  6. Step 6: Final answer
    x = 330,164.95

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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.