Home / 667,116.37-1,000,668.24-288,304.87

Finding the Fourth Proportional to 667,116.37, 1,000,668.24 and 288,304.87

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Solution

The fourth proportional to 667,116.37, 1,000,668.24 and 288,304.87 is: 432,454.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,116.37 : 1,000,668.24 = 288,304.87 : x
  2. Step 2: Convert to fraction form
    667,116.37/1,000,668.24 = 288,304.87/x
  3. Step 3: Cross multiply
    667,116.37x = 1,000,668.24 × 288,304.87
  4. Step 4: Simplify right side
    667,116.37x = 288,497,526,846.33
  5. Step 5: Solve for x
    x = 288,497,526,846.33/667,116.37
  6. Step 6: Final answer
    x = 432,454.58

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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.