Home / 644,552.64-965,882.61-324,264.27

Finding the Fourth Proportional to 644,552.64, 965,882.61 and 324,264.27

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Solution

The fourth proportional to 644,552.64, 965,882.61 and 324,264.27 is: 485,920.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,552.64 : 965,882.61 = 324,264.27 : x
  2. Step 2: Convert to fraction form
    644,552.64/965,882.61 = 324,264.27/x
  3. Step 3: Cross multiply
    644,552.64x = 965,882.61 × 324,264.27
  4. Step 4: Simplify right side
    644,552.64x = 313,201,219,437.35
  5. Step 5: Solve for x
    x = 313,201,219,437.35/644,552.64
  6. Step 6: Final answer
    x = 485,920.31

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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.