Home / 852,287.41-1,176,357.91-489,921.47

Finding the Fourth Proportional to 852,287.41, 1,176,357.91 and 489,921.47

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Solution

The fourth proportional to 852,287.41, 1,176,357.91 and 489,921.47 is: 676,207.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,287.41 : 1,176,357.91 = 489,921.47 : x
  2. Step 2: Convert to fraction form
    852,287.41/1,176,357.91 = 489,921.47/x
  3. Step 3: Cross multiply
    852,287.41x = 1,176,357.91 × 489,921.47
  4. Step 4: Simplify right side
    852,287.41x = 576,322,990,631.54
  5. Step 5: Solve for x
    x = 576,322,990,631.54/852,287.41
  6. Step 6: Final answer
    x = 676,207.33

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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.