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Finding the Fourth Proportional to 544,027.20, 815,810.40 and 263,630.40

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Solution

The fourth proportional to 544,027.20, 815,810.40 and 263,630.40 is: 395,333.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,027.20 : 815,810.40 = 263,630.40 : x
  2. Step 2: Convert to fraction form
    544,027.20/815,810.40 = 263,630.40/x
  3. Step 3: Cross multiply
    544,027.20x = 815,810.40 × 263,630.40
  4. Step 4: Simplify right side
    544,027.20x = 215,072,422,076.16
  5. Step 5: Solve for x
    x = 215,072,422,076.16/544,027.20
  6. Step 6: Final answer
    x = 395,333.95

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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.