Home / 484,838.24-726,919.38-214,819.58

Finding the Fourth Proportional to 484,838.24, 726,919.38 and 214,819.58

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Solution

The fourth proportional to 484,838.24, 726,919.38 and 214,819.58 is: 322,079.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,838.24 : 726,919.38 = 214,819.58 : x
  2. Step 2: Convert to fraction form
    484,838.24/726,919.38 = 214,819.58/x
  3. Step 3: Cross multiply
    484,838.24x = 726,919.38 × 214,819.58
  4. Step 4: Simplify right side
    484,838.24x = 156,156,515,905.46
  5. Step 5: Solve for x
    x = 156,156,515,905.46/484,838.24
  6. Step 6: Final answer
    x = 322,079.62

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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.