Home / 864,166.27-1,296,311.70-331,687.30

Finding the Fourth Proportional to 864,166.27, 1,296,311.70 and 331,687.30

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Solution

The fourth proportional to 864,166.27, 1,296,311.70 and 331,687.30 is: 497,554.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,166.27 : 1,296,311.70 = 331,687.30 : x
  2. Step 2: Convert to fraction form
    864,166.27/1,296,311.70 = 331,687.30/x
  3. Step 3: Cross multiply
    864,166.27x = 1,296,311.70 × 331,687.30
  4. Step 4: Simplify right side
    864,166.27x = 429,970,127,731.41
  5. Step 5: Solve for x
    x = 429,970,127,731.41/864,166.27
  6. Step 6: Final answer
    x = 497,554.86

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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.