Home / 864,162.27-1,296,305.70-331,683.30

Finding the Fourth Proportional to 864,162.27, 1,296,305.70 and 331,683.30

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Solution

The fourth proportional to 864,162.27, 1,296,305.70 and 331,683.30 is: 497,548.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,162.27 : 1,296,305.70 = 331,683.30 : x
  2. Step 2: Convert to fraction form
    864,162.27/1,296,305.70 = 331,683.30/x
  3. Step 3: Cross multiply
    864,162.27x = 1,296,305.70 × 331,683.30
  4. Step 4: Simplify right side
    864,162.27x = 429,962,952,384.81
  5. Step 5: Solve for x
    x = 429,962,952,384.81/864,162.27
  6. Step 6: Final answer
    x = 497,548.86

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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.