Home / 667,614.82-1,001,313.69-218,328.88

Finding the Fourth Proportional to 667,614.82, 1,001,313.69 and 218,328.88

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Solution

The fourth proportional to 667,614.82, 1,001,313.69 and 218,328.88 is: 327,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,614.82 : 1,001,313.69 = 218,328.88 : x
  2. Step 2: Convert to fraction form
    667,614.82/1,001,313.69 = 218,328.88/x
  3. Step 3: Cross multiply
    667,614.82x = 1,001,313.69 × 218,328.88
  4. Step 4: Simplify right side
    667,614.82x = 218,615,696,466.37
  5. Step 5: Solve for x
    x = 218,615,696,466.37/667,614.82
  6. Step 6: Final answer
    x = 327,457.82

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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.