Home / 380,713.24-571,484.94-220,963.96

Finding the Fourth Proportional to 380,713.24, 571,484.94 and 220,963.96

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Solution

The fourth proportional to 380,713.24, 571,484.94 and 220,963.96 is: 331,686.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,713.24 : 571,484.94 = 220,963.96 : x
  2. Step 2: Convert to fraction form
    380,713.24/571,484.94 = 220,963.96/x
  3. Step 3: Cross multiply
    380,713.24x = 571,484.94 × 220,963.96
  4. Step 4: Simplify right side
    380,713.24x = 126,277,575,422.76
  5. Step 5: Solve for x
    x = 126,277,575,422.76/380,713.24
  6. Step 6: Final answer
    x = 331,686.85

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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.