Home / 852,288.41-1,176,359.29-489,922.47

Finding the Fourth Proportional to 852,288.41, 1,176,359.29 and 489,922.47

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Solution

The fourth proportional to 852,288.41, 1,176,359.29 and 489,922.47 is: 676,208.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,288.41 : 1,176,359.29 = 489,922.47 : x
  2. Step 2: Convert to fraction form
    852,288.41/1,176,359.29 = 489,922.47/x
  3. Step 3: Cross multiply
    852,288.41x = 1,176,359.29 × 489,922.47
  4. Step 4: Simplify right side
    852,288.41x = 576,324,848,964.25
  5. Step 5: Solve for x
    x = 576,324,848,964.25/852,288.41
  6. Step 6: Final answer
    x = 676,208.71

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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.