Home / 748,182.91-1,122,431.99-242,704.42

Finding the Fourth Proportional to 748,182.91, 1,122,431.99 and 242,704.42

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Solution

The fourth proportional to 748,182.91, 1,122,431.99 and 242,704.42 is: 364,107.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,182.91 : 1,122,431.99 = 242,704.42 : x
  2. Step 2: Convert to fraction form
    748,182.91/1,122,431.99 = 242,704.42/x
  3. Step 3: Cross multiply
    748,182.91x = 1,122,431.99 × 242,704.42
  4. Step 4: Simplify right side
    748,182.91x = 272,419,203,908.87
  5. Step 5: Solve for x
    x = 272,419,203,908.87/748,182.91
  6. Step 6: Final answer
    x = 364,107.76

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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.