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Finding the Fourth Proportional to 585,286.08, 807,696.54 and 330,631.80

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Solution

The fourth proportional to 585,286.08, 807,696.54 and 330,631.80 is: 456,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,286.08 : 807,696.54 = 330,631.80 : x
  2. Step 2: Convert to fraction form
    585,286.08/807,696.54 = 330,631.80/x
  3. Step 3: Cross multiply
    585,286.08x = 807,696.54 × 330,631.80
  4. Step 4: Simplify right side
    585,286.08x = 267,050,160,873.97
  5. Step 5: Solve for x
    x = 267,050,160,873.97/585,286.08
  6. Step 6: Final answer
    x = 456,272.87

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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.