Home / 802,811.52-1,204,221.29-203,772.86

Finding the Fourth Proportional to 802,811.52, 1,204,221.29 and 203,772.86

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Solution

The fourth proportional to 802,811.52, 1,204,221.29 and 203,772.86 is: 305,660.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,811.52 : 1,204,221.29 = 203,772.86 : x
  2. Step 2: Convert to fraction form
    802,811.52/1,204,221.29 = 203,772.86/x
  3. Step 3: Cross multiply
    802,811.52x = 1,204,221.29 × 203,772.86
  4. Step 4: Simplify right side
    802,811.52x = 245,387,616,336.19
  5. Step 5: Solve for x
    x = 245,387,616,336.19/802,811.52
  6. Step 6: Final answer
    x = 305,660.31

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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.