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Finding the Fourth Proportional to 814,480.50, 1,221,896.22 and 245,814

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Solution

The fourth proportional to 814,480.50, 1,221,896.22 and 245,814 is: 368,773.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,480.50 : 1,221,896.22 = 245,814 : x
  2. Step 2: Convert to fraction form
    814,480.50/1,221,896.22 = 245,814/x
  3. Step 3: Cross multiply
    814,480.50x = 1,221,896.22 × 245,814
  4. Step 4: Simplify right side
    814,480.50x = 300,359,197,423.08
  5. Step 5: Solve for x
    x = 300,359,197,423.08/814,480.50
  6. Step 6: Final answer
    x = 368,773.96

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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.