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Finding the Fourth Proportional to 547,634.40, 821,451.60 and 540,261.60

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Solution

The fourth proportional to 547,634.40, 821,451.60 and 540,261.60 is: 810,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,634.40 : 821,451.60 = 540,261.60 : x
  2. Step 2: Convert to fraction form
    547,634.40/821,451.60 = 540,261.60/x
  3. Step 3: Cross multiply
    547,634.40x = 821,451.60 × 540,261.60
  4. Step 4: Simplify right side
    547,634.40x = 443,798,755,738.56
  5. Step 5: Solve for x
    x = 443,798,755,738.56/547,634.40
  6. Step 6: Final answer
    x = 810,392.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.