Home / 667,287.09-1,000,723.64-240,767.42

Finding the Fourth Proportional to 667,287.09, 1,000,723.64 and 240,767.42

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Solution

The fourth proportional to 667,287.09, 1,000,723.64 and 240,767.42 is: 361,076.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,287.09 : 1,000,723.64 = 240,767.42 : x
  2. Step 2: Convert to fraction form
    667,287.09/1,000,723.64 = 240,767.42/x
  3. Step 3: Cross multiply
    667,287.09x = 1,000,723.64 × 240,767.42
  4. Step 4: Simplify right side
    667,287.09x = 240,941,642,728.35
  5. Step 5: Solve for x
    x = 240,941,642,728.35/667,287.09
  6. Step 6: Final answer
    x = 361,076.43

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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.