Home / 644,540.48-964,983.78-535,595.07

Finding the Fourth Proportional to 644,540.48, 964,983.78 and 535,595.07

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Solution

The fourth proportional to 644,540.48, 964,983.78 and 535,595.07 is: 801,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,540.48 : 964,983.78 = 535,595.07 : x
  2. Step 2: Convert to fraction form
    644,540.48/964,983.78 = 535,595.07/x
  3. Step 3: Cross multiply
    644,540.48x = 964,983.78 × 535,595.07
  4. Step 4: Simplify right side
    644,540.48x = 516,840,555,197.97
  5. Step 5: Solve for x
    x = 516,840,555,197.97/644,540.48
  6. Step 6: Final answer
    x = 801,874.48

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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.