Home / 694,865.74-1,042,287.66-221,547.91

Finding the Fourth Proportional to 694,865.74, 1,042,287.66 and 221,547.91

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Solution

The fourth proportional to 694,865.74, 1,042,287.66 and 221,547.91 is: 332,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,865.74 : 1,042,287.66 = 221,547.91 : x
  2. Step 2: Convert to fraction form
    694,865.74/1,042,287.66 = 221,547.91/x
  3. Step 3: Cross multiply
    694,865.74x = 1,042,287.66 × 221,547.91
  4. Step 4: Simplify right side
    694,865.74x = 230,916,652,691.79
  5. Step 5: Solve for x
    x = 230,916,652,691.79/694,865.74
  6. Step 6: Final answer
    x = 332,318.37

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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.