Home / 526,726.09-726,876.54-285,003.33

Finding the Fourth Proportional to 526,726.09, 726,876.54 and 285,003.33

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Solution

The fourth proportional to 526,726.09, 726,876.54 and 285,003.33 is: 393,301.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,726.09 : 726,876.54 = 285,003.33 : x
  2. Step 2: Convert to fraction form
    526,726.09/726,876.54 = 285,003.33/x
  3. Step 3: Cross multiply
    526,726.09x = 726,876.54 × 285,003.33
  4. Step 4: Simplify right side
    526,726.09x = 207,162,234,398.88
  5. Step 5: Solve for x
    x = 207,162,234,398.88/526,726.09
  6. Step 6: Final answer
    x = 393,301.64

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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.