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Finding the Fourth Proportional to 575,924.38, 863,213.83 and 433,311.39

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Solution

The fourth proportional to 575,924.38, 863,213.83 and 433,311.39 is: 649,460.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,924.38 : 863,213.83 = 433,311.39 : x
  2. Step 2: Convert to fraction form
    575,924.38/863,213.83 = 433,311.39/x
  3. Step 3: Cross multiply
    575,924.38x = 863,213.83 × 433,311.39
  4. Step 4: Simplify right side
    575,924.38x = 374,040,383,461.25
  5. Step 5: Solve for x
    x = 374,040,383,461.25/575,924.38
  6. Step 6: Final answer
    x = 649,460.93

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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.