Home / 838,667.52-1,257,815.52-269,896.32

Finding the Fourth Proportional to 838,667.52, 1,257,815.52 and 269,896.32

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Solution

The fourth proportional to 838,667.52, 1,257,815.52 and 269,896.32 is: 404,784.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,667.52 : 1,257,815.52 = 269,896.32 : x
  2. Step 2: Convert to fraction form
    838,667.52/1,257,815.52 = 269,896.32/x
  3. Step 3: Cross multiply
    838,667.52x = 1,257,815.52 × 269,896.32
  4. Step 4: Simplify right side
    838,667.52x = 339,479,780,086.89
  5. Step 5: Solve for x
    x = 339,479,780,086.89/838,667.52
  6. Step 6: Final answer
    x = 404,784.70

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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.