Home / 869,654.66-1,304,469.78-301,449.38

Finding the Fourth Proportional to 869,654.66, 1,304,469.78 and 301,449.38

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Solution

The fourth proportional to 869,654.66, 1,304,469.78 and 301,449.38 is: 452,169.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,654.66 : 1,304,469.78 = 301,449.38 : x
  2. Step 2: Convert to fraction form
    869,654.66/1,304,469.78 = 301,449.38/x
  3. Step 3: Cross multiply
    869,654.66x = 1,304,469.78 × 301,449.38
  4. Step 4: Simplify right side
    869,654.66x = 393,231,606,409.74
  5. Step 5: Solve for x
    x = 393,231,606,409.74/869,654.66
  6. Step 6: Final answer
    x = 452,169.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.