Home / 695,137.50-1,042,818.75-215,252.52

Finding the Fourth Proportional to 695,137.50, 1,042,818.75 and 215,252.52

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Solution

The fourth proportional to 695,137.50, 1,042,818.75 and 215,252.52 is: 322,913.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,137.50 : 1,042,818.75 = 215,252.52 : x
  2. Step 2: Convert to fraction form
    695,137.50/1,042,818.75 = 215,252.52/x
  3. Step 3: Cross multiply
    695,137.50x = 1,042,818.75 × 215,252.52
  4. Step 4: Simplify right side
    695,137.50x = 224,469,363,840.75
  5. Step 5: Solve for x
    x = 224,469,363,840.75/695,137.50
  6. Step 6: Final answer
    x = 322,913.62

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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.