Home / 669,873.42-1,004,967.81-220,630.14

Finding the Fourth Proportional to 669,873.42, 1,004,967.81 and 220,630.14

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Solution

The fourth proportional to 669,873.42, 1,004,967.81 and 220,630.14 is: 330,997.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,873.42 : 1,004,967.81 = 220,630.14 : x
  2. Step 2: Convert to fraction form
    669,873.42/1,004,967.81 = 220,630.14/x
  3. Step 3: Cross multiply
    669,873.42x = 1,004,967.81 × 220,630.14
  4. Step 4: Simplify right side
    669,873.42x = 221,726,188,615.79
  5. Step 5: Solve for x
    x = 221,726,188,615.79/669,873.42
  6. Step 6: Final answer
    x = 330,997.14

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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.