Home / 555,721.48-766,896.92-301,072.65

Finding the Fourth Proportional to 555,721.48, 766,896.92 and 301,072.65

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Solution

The fourth proportional to 555,721.48, 766,896.92 and 301,072.65 is: 415,480.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,721.48 : 766,896.92 = 301,072.65 : x
  2. Step 2: Convert to fraction form
    555,721.48/766,896.92 = 301,072.65/x
  3. Step 3: Cross multiply
    555,721.48x = 766,896.92 × 301,072.65
  4. Step 4: Simplify right side
    555,721.48x = 230,891,687,981.24
  5. Step 5: Solve for x
    x = 230,891,687,981.24/555,721.48
  6. Step 6: Final answer
    x = 415,480.95

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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.