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Finding the Fourth Proportional to 432,777.26, 648,585.57 and 336,830.37

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Solution

The fourth proportional to 432,777.26, 648,585.57 and 336,830.37 is: 504,793.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,777.26 : 648,585.57 = 336,830.37 : x
  2. Step 2: Convert to fraction form
    432,777.26/648,585.57 = 336,830.37/x
  3. Step 3: Cross multiply
    432,777.26x = 648,585.57 × 336,830.37
  4. Step 4: Simplify right side
    432,777.26x = 218,463,316,350.68
  5. Step 5: Solve for x
    x = 218,463,316,350.68/432,777.26
  6. Step 6: Final answer
    x = 504,793.89

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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.