Home / 849,928.62-1,275,028.26-281,330.49

Finding the Fourth Proportional to 849,928.62, 1,275,028.26 and 281,330.49

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Solution

The fourth proportional to 849,928.62, 1,275,028.26 and 281,330.49 is: 422,040.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,928.62 : 1,275,028.26 = 281,330.49 : x
  2. Step 2: Convert to fraction form
    849,928.62/1,275,028.26 = 281,330.49/x
  3. Step 3: Cross multiply
    849,928.62x = 1,275,028.26 × 281,330.49
  4. Step 4: Simplify right side
    849,928.62x = 358,704,325,149.65
  5. Step 5: Solve for x
    x = 358,704,325,149.65/849,928.62
  6. Step 6: Final answer
    x = 422,040.53

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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.