Home / 864,222.27-1,296,500.26-331,701.78

Finding the Fourth Proportional to 864,222.27, 1,296,500.26 and 331,701.78

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Solution

The fourth proportional to 864,222.27, 1,296,500.26 and 331,701.78 is: 497,616.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,222.27 : 1,296,500.26 = 331,701.78 : x
  2. Step 2: Convert to fraction form
    864,222.27/1,296,500.26 = 331,701.78/x
  3. Step 3: Cross multiply
    864,222.27x = 1,296,500.26 × 331,701.78
  4. Step 4: Simplify right side
    864,222.27x = 430,051,444,012.46
  5. Step 5: Solve for x
    x = 430,051,444,012.46/864,222.27
  6. Step 6: Final answer
    x = 497,616.71

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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.