Home / 802,910.72-1,204,366.56-203,916.80

Finding the Fourth Proportional to 802,910.72, 1,204,366.56 and 203,916.80

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Solution

The fourth proportional to 802,910.72, 1,204,366.56 and 203,916.80 is: 305,875.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,910.72 : 1,204,366.56 = 203,916.80 : x
  2. Step 2: Convert to fraction form
    802,910.72/1,204,366.56 = 203,916.80/x
  3. Step 3: Cross multiply
    802,910.72x = 1,204,366.56 × 203,916.80
  4. Step 4: Simplify right side
    802,910.72x = 245,590,574,942.21
  5. Step 5: Solve for x
    x = 245,590,574,942.21/802,910.72
  6. Step 6: Final answer
    x = 305,875.32

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Similar ratio
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1.5x scale

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.