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Finding the Fourth Proportional to 539,540.70, 809,748.45 and 522,044.70

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Solution

The fourth proportional to 539,540.70, 809,748.45 and 522,044.70 is: 783,490.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,540.70 : 809,748.45 = 522,044.70 : x
  2. Step 2: Convert to fraction form
    539,540.70/809,748.45 = 522,044.70/x
  3. Step 3: Cross multiply
    539,540.70x = 809,748.45 × 522,044.70
  4. Step 4: Simplify right side
    539,540.70x = 422,724,886,655.72
  5. Step 5: Solve for x
    x = 422,724,886,655.72/539,540.70
  6. Step 6: Final answer
    x = 783,490.27

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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.