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Finding the Fourth Proportional to 534,846.40, 737,662.82 and 454,539.76

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Solution

The fourth proportional to 534,846.40, 737,662.82 and 454,539.76 is: 626,903.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,846.40 : 737,662.82 = 454,539.76 : x
  2. Step 2: Convert to fraction form
    534,846.40/737,662.82 = 454,539.76/x
  3. Step 3: Cross multiply
    534,846.40x = 737,662.82 × 454,539.76
  4. Step 4: Simplify right side
    534,846.40x = 335,297,081,163.72
  5. Step 5: Solve for x
    x = 335,297,081,163.72/534,846.40
  6. Step 6: Final answer
    x = 626,903.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.