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Finding the Fourth Proportional to 510,337.87, 764,632 and 360,309.67

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Solution

The fourth proportional to 510,337.87, 764,632 and 360,309.67 is: 539,846.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,337.87 : 764,632 = 360,309.67 : x
  2. Step 2: Convert to fraction form
    510,337.87/764,632 = 360,309.67/x
  3. Step 3: Cross multiply
    510,337.87x = 764,632 × 360,309.67
  4. Step 4: Simplify right side
    510,337.87x = 275,504,303,591.44
  5. Step 5: Solve for x
    x = 275,504,303,591.44/510,337.87
  6. Step 6: Final answer
    x = 539,846.87

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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.