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Finding the Fourth Proportional to 543,520.83, 814,393.48 and 330,353.94

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Solution

The fourth proportional to 543,520.83, 814,393.48 and 330,353.94 is: 494,991.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,520.83 : 814,393.48 = 330,353.94 : x
  2. Step 2: Convert to fraction form
    543,520.83/814,393.48 = 330,353.94/x
  3. Step 3: Cross multiply
    543,520.83x = 814,393.48 × 330,353.94
  4. Step 4: Simplify right side
    543,520.83x = 269,038,094,828.31
  5. Step 5: Solve for x
    x = 269,038,094,828.31/543,520.83
  6. Step 6: Final answer
    x = 494,991.32

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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.