Home / 555,721.76-766,896.83-301,072.94

Finding the Fourth Proportional to 555,721.76, 766,896.83 and 301,072.94

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Solution

The fourth proportional to 555,721.76, 766,896.83 and 301,072.94 is: 415,481.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,721.76 : 766,896.83 = 301,072.94 : x
  2. Step 2: Convert to fraction form
    555,721.76/766,896.83 = 301,072.94/x
  3. Step 3: Cross multiply
    555,721.76x = 766,896.83 × 301,072.94
  4. Step 4: Simplify right side
    555,721.76x = 230,891,877,944.93
  5. Step 5: Solve for x
    x = 230,891,877,944.93/555,721.76
  6. Step 6: Final answer
    x = 415,481.09

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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.