Home / 857,800.62-1,286,705.79-226,707.75

Finding the Fourth Proportional to 857,800.62, 1,286,705.79 and 226,707.75

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Solution

The fourth proportional to 857,800.62, 1,286,705.79 and 226,707.75 is: 340,062.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,800.62 : 1,286,705.79 = 226,707.75 : x
  2. Step 2: Convert to fraction form
    857,800.62/1,286,705.79 = 226,707.75/x
  3. Step 3: Cross multiply
    857,800.62x = 1,286,705.79 × 226,707.75
  4. Step 4: Simplify right side
    857,800.62x = 291,706,174,562.87
  5. Step 5: Solve for x
    x = 291,706,174,562.87/857,800.62
  6. Step 6: Final answer
    x = 340,062.91

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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.