Home / 695,098.72-1,042,730.16-221,618.08

Finding the Fourth Proportional to 695,098.72, 1,042,730.16 and 221,618.08

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Solution

The fourth proportional to 695,098.72, 1,042,730.16 and 221,618.08 is: 332,453.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,098.72 : 1,042,730.16 = 221,618.08 : x
  2. Step 2: Convert to fraction form
    695,098.72/1,042,730.16 = 221,618.08/x
  3. Step 3: Cross multiply
    695,098.72x = 1,042,730.16 × 221,618.08
  4. Step 4: Simplify right side
    695,098.72x = 231,087,856,017.29
  5. Step 5: Solve for x
    x = 231,087,856,017.29/695,098.72
  6. Step 6: Final answer
    x = 332,453.29

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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.