Home / 715,709.52-1,073,568.87-210,268.44

Finding the Fourth Proportional to 715,709.52, 1,073,568.87 and 210,268.44

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Solution

The fourth proportional to 715,709.52, 1,073,568.87 and 210,268.44 is: 315,404.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,709.52 : 1,073,568.87 = 210,268.44 : x
  2. Step 2: Convert to fraction form
    715,709.52/1,073,568.87 = 210,268.44/x
  3. Step 3: Cross multiply
    715,709.52x = 1,073,568.87 × 210,268.44
  4. Step 4: Simplify right side
    715,709.52x = 225,737,651,527.46
  5. Step 5: Solve for x
    x = 225,737,651,527.46/715,709.52
  6. Step 6: Final answer
    x = 315,404.01

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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.