Home / 485,280.33-727,921.01-484,579.47

Finding the Fourth Proportional to 485,280.33, 727,921.01 and 484,579.47

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Solution

The fourth proportional to 485,280.33, 727,921.01 and 484,579.47 is: 726,869.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,280.33 : 727,921.01 = 484,579.47 : x
  2. Step 2: Convert to fraction form
    485,280.33/727,921.01 = 484,579.47/x
  3. Step 3: Cross multiply
    485,280.33x = 727,921.01 × 484,579.47
  4. Step 4: Simplify right side
    485,280.33x = 352,735,581,168.82
  5. Step 5: Solve for x
    x = 352,735,581,168.82/485,280.33
  6. Step 6: Final answer
    x = 726,869.73

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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.