Home / 979,723.64-1,469,640.24-305,898.04

Finding the Fourth Proportional to 979,723.64, 1,469,640.24 and 305,898.04

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Solution

The fourth proportional to 979,723.64, 1,469,640.24 and 305,898.04 is: 458,864.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,723.64 : 1,469,640.24 = 305,898.04 : x
  2. Step 2: Convert to fraction form
    979,723.64/1,469,640.24 = 305,898.04/x
  3. Step 3: Cross multiply
    979,723.64x = 1,469,640.24 × 305,898.04
  4. Step 4: Simplify right side
    979,723.64x = 449,560,068,921.13
  5. Step 5: Solve for x
    x = 449,560,068,921.13/979,723.64
  6. Step 6: Final answer
    x = 458,864.16

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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.