Home / 538,425.72-743,032.37-296,716.96

Finding the Fourth Proportional to 538,425.72, 743,032.37 and 296,716.96

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Solution

The fourth proportional to 538,425.72, 743,032.37 and 296,716.96 is: 409,472.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,425.72 : 743,032.37 = 296,716.96 : x
  2. Step 2: Convert to fraction form
    538,425.72/743,032.37 = 296,716.96/x
  3. Step 3: Cross multiply
    538,425.72x = 743,032.37 × 296,716.96
  4. Step 4: Simplify right side
    538,425.72x = 220,470,306,008.00
  5. Step 5: Solve for x
    x = 220,470,306,008.00/538,425.72
  6. Step 6: Final answer
    x = 409,472.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.