Home / 842,868.33-1,263,049.83-505,513.86

Finding the Fourth Proportional to 842,868.33, 1,263,049.83 and 505,513.86

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Solution

The fourth proportional to 842,868.33, 1,263,049.83 and 505,513.86 is: 757,519.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,868.33 : 1,263,049.83 = 505,513.86 : x
  2. Step 2: Convert to fraction form
    842,868.33/1,263,049.83 = 505,513.86/x
  3. Step 3: Cross multiply
    842,868.33x = 1,263,049.83 × 505,513.86
  4. Step 4: Simplify right side
    842,868.33x = 638,489,194,935.64
  5. Step 5: Solve for x
    x = 638,489,194,935.64/842,868.33
  6. Step 6: Final answer
    x = 757,519.50

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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.