Home / 447,275.37-670,425.10-219,727.59

Finding the Fourth Proportional to 447,275.37, 670,425.10 and 219,727.59

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Solution

The fourth proportional to 447,275.37, 670,425.10 and 219,727.59 is: 329,351.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,275.37 : 670,425.10 = 219,727.59 : x
  2. Step 2: Convert to fraction form
    447,275.37/670,425.10 = 219,727.59/x
  3. Step 3: Cross multiply
    447,275.37x = 670,425.10 × 219,727.59
  4. Step 4: Simplify right side
    447,275.37x = 147,310,889,671.06
  5. Step 5: Solve for x
    x = 147,310,889,671.06/447,275.37
  6. Step 6: Final answer
    x = 329,351.67

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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.