Home / 857,532.56-1,286,309.72-324,910.52

Finding the Fourth Proportional to 857,532.56, 1,286,309.72 and 324,910.52

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Solution

The fourth proportional to 857,532.56, 1,286,309.72 and 324,910.52 is: 487,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,532.56 : 1,286,309.72 = 324,910.52 : x
  2. Step 2: Convert to fraction form
    857,532.56/1,286,309.72 = 324,910.52/x
  3. Step 3: Cross multiply
    857,532.56x = 1,286,309.72 × 324,910.52
  4. Step 4: Simplify right side
    857,532.56x = 417,935,560,006.25
  5. Step 5: Solve for x
    x = 417,935,560,006.25/857,532.56
  6. Step 6: Final answer
    x = 487,369.90

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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.