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Finding the Fourth Proportional to 562,797.54, 776,654.66 and 304,668.68

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Solution

The fourth proportional to 562,797.54, 776,654.66 and 304,668.68 is: 420,439.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,797.54 : 776,654.66 = 304,668.68 : x
  2. Step 2: Convert to fraction form
    562,797.54/776,654.66 = 304,668.68/x
  3. Step 3: Cross multiply
    562,797.54x = 776,654.66 × 304,668.68
  4. Step 4: Simplify right side
    562,797.54x = 236,622,350,078.05
  5. Step 5: Solve for x
    x = 236,622,350,078.05/562,797.54
  6. Step 6: Final answer
    x = 420,439.56

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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.