Home / 869,891.31-1,304,524.10-301,118.22

Finding the Fourth Proportional to 869,891.31, 1,304,524.10 and 301,118.22

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Solution

The fourth proportional to 869,891.31, 1,304,524.10 and 301,118.22 is: 451,569.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,891.31 : 1,304,524.10 = 301,118.22 : x
  2. Step 2: Convert to fraction form
    869,891.31/1,304,524.10 = 301,118.22/x
  3. Step 3: Cross multiply
    869,891.31x = 1,304,524.10 × 301,118.22
  4. Step 4: Simplify right side
    869,891.31x = 392,815,975,691.90
  5. Step 5: Solve for x
    x = 392,815,975,691.90/869,891.31
  6. Step 6: Final answer
    x = 451,569.03

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1.5x scale

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.