Home / 535,005.27-738,383.31-331,121.86

Finding the Fourth Proportional to 535,005.27, 738,383.31 and 331,121.86

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Solution

The fourth proportional to 535,005.27, 738,383.31 and 331,121.86 is: 456,995.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,005.27 : 738,383.31 = 331,121.86 : x
  2. Step 2: Convert to fraction form
    535,005.27/738,383.31 = 331,121.86/x
  3. Step 3: Cross multiply
    535,005.27x = 738,383.31 × 331,121.86
  4. Step 4: Simplify right side
    535,005.27x = 244,494,853,154.20
  5. Step 5: Solve for x
    x = 244,494,853,154.20/535,005.27
  6. Step 6: Final answer
    x = 456,995.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.