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Finding the Fourth Proportional to 543,330.70, 814,996.05 and 342,564.10

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Solution

The fourth proportional to 543,330.70, 814,996.05 and 342,564.10 is: 513,846.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,330.70 : 814,996.05 = 342,564.10 : x
  2. Step 2: Convert to fraction form
    543,330.70/814,996.05 = 342,564.10/x
  3. Step 3: Cross multiply
    543,330.70x = 814,996.05 × 342,564.10
  4. Step 4: Simplify right side
    543,330.70x = 279,188,388,371.81
  5. Step 5: Solve for x
    x = 279,188,388,371.81/543,330.70
  6. Step 6: Final answer
    x = 513,846.15

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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.