Home / 715,771.42-1,073,629.10-242,456.78

Finding the Fourth Proportional to 715,771.42, 1,073,629.10 and 242,456.78

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Solution

The fourth proportional to 715,771.42, 1,073,629.10 and 242,456.78 is: 363,675.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,771.42 : 1,073,629.10 = 242,456.78 : x
  2. Step 2: Convert to fraction form
    715,771.42/1,073,629.10 = 242,456.78/x
  3. Step 3: Cross multiply
    715,771.42x = 1,073,629.10 × 242,456.78
  4. Step 4: Simplify right side
    715,771.42x = 260,308,647,919.87
  5. Step 5: Solve for x
    x = 260,308,647,919.87/715,771.42
  6. Step 6: Final answer
    x = 363,675.67

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1.5x scale

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.