Home / 741,222.80-1,022,997.15-469,315.92

Finding the Fourth Proportional to 741,222.80, 1,022,997.15 and 469,315.92

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Solution

The fourth proportional to 741,222.80, 1,022,997.15 and 469,315.92 is: 647,725.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,222.80 : 1,022,997.15 = 469,315.92 : x
  2. Step 2: Convert to fraction form
    741,222.80/1,022,997.15 = 469,315.92/x
  3. Step 3: Cross multiply
    741,222.80x = 1,022,997.15 × 469,315.92
  4. Step 4: Simplify right side
    741,222.80x = 480,108,848,609.63
  5. Step 5: Solve for x
    x = 480,108,848,609.63/741,222.80
  6. Step 6: Final answer
    x = 647,725.42

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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.