Home / 880,862.30-1,215,675.29-493,743.48

Finding the Fourth Proportional to 880,862.30, 1,215,675.29 and 493,743.48

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Solution

The fourth proportional to 880,862.30, 1,215,675.29 and 493,743.48 is: 681,413.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,862.30 : 1,215,675.29 = 493,743.48 : x
  2. Step 2: Convert to fraction form
    880,862.30/1,215,675.29 = 493,743.48/x
  3. Step 3: Cross multiply
    880,862.30x = 1,215,675.29 × 493,743.48
  4. Step 4: Simplify right side
    880,862.30x = 600,231,749,468.97
  5. Step 5: Solve for x
    x = 600,231,749,468.97/880,862.30
  6. Step 6: Final answer
    x = 681,413.82

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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.