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Finding the Fourth Proportional to 551,387.70, 827,081.55 and 270,846.90

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Solution

The fourth proportional to 551,387.70, 827,081.55 and 270,846.90 is: 406,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,387.70 : 827,081.55 = 270,846.90 : x
  2. Step 2: Convert to fraction form
    551,387.70/827,081.55 = 270,846.90/x
  3. Step 3: Cross multiply
    551,387.70x = 827,081.55 × 270,846.90
  4. Step 4: Simplify right side
    551,387.70x = 224,012,473,864.70
  5. Step 5: Solve for x
    x = 224,012,473,864.70/551,387.70
  6. Step 6: Final answer
    x = 406,270.35

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Similar ratio
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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.