Home / 715,952.35-1,073,928.11-210,517.52

Finding the Fourth Proportional to 715,952.35, 1,073,928.11 and 210,517.52

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Solution

The fourth proportional to 715,952.35, 1,073,928.11 and 210,517.52 is: 315,776.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,952.35 : 1,073,928.11 = 210,517.52 : x
  2. Step 2: Convert to fraction form
    715,952.35/1,073,928.11 = 210,517.52/x
  3. Step 3: Cross multiply
    715,952.35x = 1,073,928.11 × 210,517.52
  4. Step 4: Simplify right side
    715,952.35x = 226,080,682,375.49
  5. Step 5: Solve for x
    x = 226,080,682,375.49/715,952.35
  6. Step 6: Final answer
    x = 315,776.16

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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.