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Finding the Fourth Proportional to 433,224.78, 648,845.51 and 264,373.35

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Solution

The fourth proportional to 433,224.78, 648,845.51 and 264,373.35 is: 395,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,224.78 : 648,845.51 = 264,373.35 : x
  2. Step 2: Convert to fraction form
    433,224.78/648,845.51 = 264,373.35/x
  3. Step 3: Cross multiply
    433,224.78x = 648,845.51 × 264,373.35
  4. Step 4: Simplify right side
    433,224.78x = 171,537,459,789.29
  5. Step 5: Solve for x
    x = 171,537,459,789.29/433,224.78
  6. Step 6: Final answer
    x = 395,954.87

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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.