Home / 762,821.16-1,143,786.78-230,182.44

Finding the Fourth Proportional to 762,821.16, 1,143,786.78 and 230,182.44

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Solution

The fourth proportional to 762,821.16, 1,143,786.78 and 230,182.44 is: 345,139.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,821.16 : 1,143,786.78 = 230,182.44 : x
  2. Step 2: Convert to fraction form
    762,821.16/1,143,786.78 = 230,182.44/x
  3. Step 3: Cross multiply
    762,821.16x = 1,143,786.78 × 230,182.44
  4. Step 4: Simplify right side
    762,821.16x = 263,279,631,860.14
  5. Step 5: Solve for x
    x = 263,279,631,860.14/762,821.16
  6. Step 6: Final answer
    x = 345,139.39

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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.