Home / 397,011.24-595,604.34-219,776.76

Finding the Fourth Proportional to 397,011.24, 595,604.34 and 219,776.76

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Solution

The fourth proportional to 397,011.24, 595,604.34 and 219,776.76 is: 329,713.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,011.24 : 595,604.34 = 219,776.76 : x
  2. Step 2: Convert to fraction form
    397,011.24/595,604.34 = 219,776.76/x
  3. Step 3: Cross multiply
    397,011.24x = 595,604.34 × 219,776.76
  4. Step 4: Simplify right side
    397,011.24x = 130,899,992,087.14
  5. Step 5: Solve for x
    x = 130,899,992,087.14/397,011.24
  6. Step 6: Final answer
    x = 329,713.57

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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.