Home / 485,244.90-727,315.20-295,286.31

Finding the Fourth Proportional to 485,244.90, 727,315.20 and 295,286.31

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Solution

The fourth proportional to 485,244.90, 727,315.20 and 295,286.31 is: 442,593.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,244.90 : 727,315.20 = 295,286.31 : x
  2. Step 2: Convert to fraction form
    485,244.90/727,315.20 = 295,286.31/x
  3. Step 3: Cross multiply
    485,244.90x = 727,315.20 × 295,286.31
  4. Step 4: Simplify right side
    485,244.90x = 214,766,221,614.91
  5. Step 5: Solve for x
    x = 214,766,221,614.91/485,244.90
  6. Step 6: Final answer
    x = 442,593.46

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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.