Home / 802,870.43-1,204,306.19-203,876.51

Finding the Fourth Proportional to 802,870.43, 1,204,306.19 and 203,876.51

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Solution

The fourth proportional to 802,870.43, 1,204,306.19 and 203,876.51 is: 305,814.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,870.43 : 1,204,306.19 = 203,876.51 : x
  2. Step 2: Convert to fraction form
    802,870.43/1,204,306.19 = 203,876.51/x
  3. Step 3: Cross multiply
    802,870.43x = 1,204,306.19 × 203,876.51
  4. Step 4: Simplify right side
    802,870.43x = 245,529,741,969.21
  5. Step 5: Solve for x
    x = 245,529,741,969.21/802,870.43
  6. Step 6: Final answer
    x = 305,814.90

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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.