Home / 858,868.11-1,288,369.73-227,781.92

Finding the Fourth Proportional to 858,868.11, 1,288,369.73 and 227,781.92

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Solution

The fourth proportional to 858,868.11, 1,288,369.73 and 227,781.92 is: 341,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,868.11 : 1,288,369.73 = 227,781.92 : x
  2. Step 2: Convert to fraction form
    858,868.11/1,288,369.73 = 227,781.92/x
  3. Step 3: Cross multiply
    858,868.11x = 1,288,369.73 × 227,781.92
  4. Step 4: Simplify right side
    858,868.11x = 293,467,334,559.66
  5. Step 5: Solve for x
    x = 293,467,334,559.66/858,868.11
  6. Step 6: Final answer
    x = 341,690.80

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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.