Home / 892,707.40-1,339,061.10-331,625.80

Finding the Fourth Proportional to 892,707.40, 1,339,061.10 and 331,625.80

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Solution

The fourth proportional to 892,707.40, 1,339,061.10 and 331,625.80 is: 497,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,707.40 : 1,339,061.10 = 331,625.80 : x
  2. Step 2: Convert to fraction form
    892,707.40/1,339,061.10 = 331,625.80/x
  3. Step 3: Cross multiply
    892,707.40x = 1,339,061.10 × 331,625.80
  4. Step 4: Simplify right side
    892,707.40x = 444,067,208,536.38
  5. Step 5: Solve for x
    x = 444,067,208,536.38/892,707.40
  6. Step 6: Final answer
    x = 497,438.70

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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.