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Finding the Fourth Proportional to 551,047.80, 826,571.70 and 547,548.60

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Solution

The fourth proportional to 551,047.80, 826,571.70 and 547,548.60 is: 821,322.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,047.80 : 826,571.70 = 547,548.60 : x
  2. Step 2: Convert to fraction form
    551,047.80/826,571.70 = 547,548.60/x
  3. Step 3: Cross multiply
    551,047.80x = 826,571.70 × 547,548.60
  4. Step 4: Simplify right side
    551,047.80x = 452,588,177,134.62
  5. Step 5: Solve for x
    x = 452,588,177,134.62/551,047.80
  6. Step 6: Final answer
    x = 821,322.90

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Similar ratio
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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.