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Finding the Fourth Proportional to 432,744.67, 648,536.79 and 336,797.77

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Solution

The fourth proportional to 432,744.67, 648,536.79 and 336,797.77 is: 504,745.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,744.67 : 648,536.79 = 336,797.77 : x
  2. Step 2: Convert to fraction form
    432,744.67/648,536.79 = 336,797.77/x
  3. Step 3: Cross multiply
    432,744.67x = 648,536.79 × 336,797.77
  4. Step 4: Simplify right side
    432,744.67x = 218,425,744,634.96
  5. Step 5: Solve for x
    x = 218,425,744,634.96/432,744.67
  6. Step 6: Final answer
    x = 504,745.08

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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.