Home / 723,904.90-1,086,246.15-303,223.30

Finding the Fourth Proportional to 723,904.90, 1,086,246.15 and 303,223.30

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Solution

The fourth proportional to 723,904.90, 1,086,246.15 and 303,223.30 is: 454,997.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,904.90 : 1,086,246.15 = 303,223.30 : x
  2. Step 2: Convert to fraction form
    723,904.90/1,086,246.15 = 303,223.30/x
  3. Step 3: Cross multiply
    723,904.90x = 1,086,246.15 × 303,223.30
  4. Step 4: Simplify right side
    723,904.90x = 329,375,142,215.30
  5. Step 5: Solve for x
    x = 329,375,142,215.30/723,904.90
  6. Step 6: Final answer
    x = 454,997.81

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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.