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Finding the Fourth Proportional to 544,021.20, 814,188.60 and 544,021.20

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Solution

The fourth proportional to 544,021.20, 814,188.60 and 544,021.20 is: 814,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,021.20 : 814,188.60 = 544,021.20 : x
  2. Step 2: Convert to fraction form
    544,021.20/814,188.60 = 544,021.20/x
  3. Step 3: Cross multiply
    544,021.20x = 814,188.60 × 544,021.20
  4. Step 4: Simplify right side
    544,021.20x = 442,935,859,198.32
  5. Step 5: Solve for x
    x = 442,935,859,198.32/544,021.20
  6. Step 6: Final answer
    x = 814,188.60

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1.5x scale

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.