Home / 409,944.78-565,724.79-228,668.46

Finding the Fourth Proportional to 409,944.78, 565,724.79 and 228,668.46

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Solution

The fourth proportional to 409,944.78, 565,724.79 and 228,668.46 is: 315,563.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,944.78 : 565,724.79 = 228,668.46 : x
  2. Step 2: Convert to fraction form
    409,944.78/565,724.79 = 228,668.46/x
  3. Step 3: Cross multiply
    409,944.78x = 565,724.79 × 228,668.46
  4. Step 4: Simplify right side
    409,944.78x = 129,363,416,513.12
  5. Step 5: Solve for x
    x = 129,363,416,513.12/409,944.78
  6. Step 6: Final answer
    x = 315,563.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.