Home / 715,772.23-1,073,481.26-427,662.52

Finding the Fourth Proportional to 715,772.23, 1,073,481.26 and 427,662.52

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Solution

The fourth proportional to 715,772.23, 1,073,481.26 and 427,662.52 is: 641,387.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,772.23 : 1,073,481.26 = 427,662.52 : x
  2. Step 2: Convert to fraction form
    715,772.23/1,073,481.26 = 427,662.52/x
  3. Step 3: Cross multiply
    715,772.23x = 1,073,481.26 × 427,662.52
  4. Step 4: Simplify right side
    715,772.23x = 459,087,696,002.36
  5. Step 5: Solve for x
    x = 459,087,696,002.36/715,772.23
  6. Step 6: Final answer
    x = 641,387.97

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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.