Home / 322,721.28-484,017.96-306,718.44

Finding the Fourth Proportional to 322,721.28, 484,017.96 and 306,718.44

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Solution

The fourth proportional to 322,721.28, 484,017.96 and 306,718.44 is: 460,016.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,721.28 : 484,017.96 = 306,718.44 : x
  2. Step 2: Convert to fraction form
    322,721.28/484,017.96 = 306,718.44/x
  3. Step 3: Cross multiply
    322,721.28x = 484,017.96 × 306,718.44
  4. Step 4: Simplify right side
    322,721.28x = 148,457,233,623.18
  5. Step 5: Solve for x
    x = 148,457,233,623.18/322,721.28
  6. Step 6: Final answer
    x = 460,016.87

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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.