Home / 762,771.42-1,052,621.19-423,238.86

Finding the Fourth Proportional to 762,771.42, 1,052,621.19 and 423,238.86

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Solution

The fourth proportional to 762,771.42, 1,052,621.19 and 423,238.86 is: 584,067.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,771.42 : 1,052,621.19 = 423,238.86 : x
  2. Step 2: Convert to fraction form
    762,771.42/1,052,621.19 = 423,238.86/x
  3. Step 3: Cross multiply
    762,771.42x = 1,052,621.19 × 423,238.86
  4. Step 4: Simplify right side
    762,771.42x = 445,510,192,467.44
  5. Step 5: Solve for x
    x = 445,510,192,467.44/762,771.42
  6. Step 6: Final answer
    x = 584,067.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.