Home / 649,087.43-973,741.86-289,388.80

Finding the Fourth Proportional to 649,087.43, 973,741.86 and 289,388.80

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Solution

The fourth proportional to 649,087.43, 973,741.86 and 289,388.80 is: 434,132.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,087.43 : 973,741.86 = 289,388.80 : x
  2. Step 2: Convert to fraction form
    649,087.43/973,741.86 = 289,388.80/x
  3. Step 3: Cross multiply
    649,087.43x = 973,741.86 × 289,388.80
  4. Step 4: Simplify right side
    649,087.43x = 281,789,988,375.17
  5. Step 5: Solve for x
    x = 281,789,988,375.17/649,087.43
  6. Step 6: Final answer
    x = 434,132.56

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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.