Home / 715,711.52-1,073,571.87-210,270.44

Finding the Fourth Proportional to 715,711.52, 1,073,571.87 and 210,270.44

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Solution

The fourth proportional to 715,711.52, 1,073,571.87 and 210,270.44 is: 315,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,711.52 : 1,073,571.87 = 210,270.44 : x
  2. Step 2: Convert to fraction form
    715,711.52/1,073,571.87 = 210,270.44/x
  3. Step 3: Cross multiply
    715,711.52x = 1,073,571.87 × 210,270.44
  4. Step 4: Simplify right side
    715,711.52x = 225,740,429,476.52
  5. Step 5: Solve for x
    x = 225,740,429,476.52/715,711.52
  6. Step 6: Final answer
    x = 315,407.01

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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.