Home / 802,911.72-1,204,368.06-203,917.80

Finding the Fourth Proportional to 802,911.72, 1,204,368.06 and 203,917.80

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Solution

The fourth proportional to 802,911.72, 1,204,368.06 and 203,917.80 is: 305,876.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,911.72 : 1,204,368.06 = 203,917.80 : x
  2. Step 2: Convert to fraction form
    802,911.72/1,204,368.06 = 203,917.80/x
  3. Step 3: Cross multiply
    802,911.72x = 1,204,368.06 × 203,917.80
  4. Step 4: Simplify right side
    802,911.72x = 245,592,085,185.47
  5. Step 5: Solve for x
    x = 245,592,085,185.47/802,911.72
  6. Step 6: Final answer
    x = 305,876.82

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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.