Home / 869,709.39-1,304,687.13-270,731.07

Finding the Fourth Proportional to 869,709.39, 1,304,687.13 and 270,731.07

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Solution

The fourth proportional to 869,709.39, 1,304,687.13 and 270,731.07 is: 406,134.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,709.39 : 1,304,687.13 = 270,731.07 : x
  2. Step 2: Convert to fraction form
    869,709.39/1,304,687.13 = 270,731.07/x
  3. Step 3: Cross multiply
    869,709.39x = 1,304,687.13 × 270,731.07
  4. Step 4: Simplify right side
    869,709.39x = 353,219,342,720.13
  5. Step 5: Solve for x
    x = 353,219,342,720.13/869,709.39
  6. Step 6: Final answer
    x = 406,134.91

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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.