Home / 857,818.62-1,286,732.79-226,725.75

Finding the Fourth Proportional to 857,818.62, 1,286,732.79 and 226,725.75

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Solution

The fourth proportional to 857,818.62, 1,286,732.79 and 226,725.75 is: 340,089.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,818.62 : 1,286,732.79 = 226,725.75 : x
  2. Step 2: Convert to fraction form
    857,818.62/1,286,732.79 = 226,725.75/x
  3. Step 3: Cross multiply
    857,818.62x = 1,286,732.79 × 226,725.75
  4. Step 4: Simplify right side
    857,818.62x = 291,735,456,862.34
  5. Step 5: Solve for x
    x = 291,735,456,862.34/857,818.62
  6. Step 6: Final answer
    x = 340,089.91

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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.