Home / 649,245-973,560.96-379,450.50

Finding the Fourth Proportional to 649,245, 973,560.96 and 379,450.50

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Solution

The fourth proportional to 649,245, 973,560.96 and 379,450.50 is: 568,996.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,245 : 973,560.96 = 379,450.50 : x
  2. Step 2: Convert to fraction form
    649,245/973,560.96 = 379,450.50/x
  3. Step 3: Cross multiply
    649,245x = 973,560.96 × 379,450.50
  4. Step 4: Simplify right side
    649,245x = 369,418,193,052.48
  5. Step 5: Solve for x
    x = 369,418,193,052.48/649,245
  6. Step 6: Final answer
    x = 568,996.59

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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.