Home / 776,663.25-1,165,413.42-327,695.28

Finding the Fourth Proportional to 776,663.25, 1,165,413.42 and 327,695.28

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Solution

The fourth proportional to 776,663.25, 1,165,413.42 and 327,695.28 is: 491,719.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,663.25 : 1,165,413.42 = 327,695.28 : x
  2. Step 2: Convert to fraction form
    776,663.25/1,165,413.42 = 327,695.28/x
  3. Step 3: Cross multiply
    776,663.25x = 1,165,413.42 × 327,695.28
  4. Step 4: Simplify right side
    776,663.25x = 381,900,476,982.66
  5. Step 5: Solve for x
    x = 381,900,476,982.66/776,663.25
  6. Step 6: Final answer
    x = 491,719.52

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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.