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Finding the Fourth Proportional to 653,783.03, 980,832.65 and 227,257.28

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Solution

The fourth proportional to 653,783.03, 980,832.65 and 227,257.28 is: 340,940.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,783.03 : 980,832.65 = 227,257.28 : x
  2. Step 2: Convert to fraction form
    653,783.03/980,832.65 = 227,257.28/x
  3. Step 3: Cross multiply
    653,783.03x = 980,832.65 × 227,257.28
  4. Step 4: Simplify right side
    653,783.03x = 222,901,357,811.87
  5. Step 5: Solve for x
    x = 222,901,357,811.87/653,783.03
  6. Step 6: Final answer
    x = 340,940.87

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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.