Home / 538,721.96-743,413.91-293,701.41

Finding the Fourth Proportional to 538,721.96, 743,413.91 and 293,701.41

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Solution

The fourth proportional to 538,721.96, 743,413.91 and 293,701.41 is: 405,295.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,721.96 : 743,413.91 = 293,701.41 : x
  2. Step 2: Convert to fraction form
    538,721.96/743,413.91 = 293,701.41/x
  3. Step 3: Cross multiply
    538,721.96x = 743,413.91 × 293,701.41
  4. Step 4: Simplify right side
    538,721.96x = 218,341,716,001.29
  5. Step 5: Solve for x
    x = 218,341,716,001.29/538,721.96
  6. Step 6: Final answer
    x = 405,295.74

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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.