Home / 694,866.74-1,042,289.16-221,548.91

Finding the Fourth Proportional to 694,866.74, 1,042,289.16 and 221,548.91

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Solution

The fourth proportional to 694,866.74, 1,042,289.16 and 221,548.91 is: 332,319.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,866.74 : 1,042,289.16 = 221,548.91 : x
  2. Step 2: Convert to fraction form
    694,866.74/1,042,289.16 = 221,548.91/x
  3. Step 3: Cross multiply
    694,866.74x = 1,042,289.16 × 221,548.91
  4. Step 4: Simplify right side
    694,866.74x = 230,918,027,302.82
  5. Step 5: Solve for x
    x = 230,918,027,302.82/694,866.74
  6. Step 6: Final answer
    x = 332,319.87

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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.