Home / 494,029.80-681,774.36-300,370.92

Finding the Fourth Proportional to 494,029.80, 681,774.36 and 300,370.92

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Solution

The fourth proportional to 494,029.80, 681,774.36 and 300,370.92 is: 414,519.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,029.80 : 681,774.36 = 300,370.92 : x
  2. Step 2: Convert to fraction form
    494,029.80/681,774.36 = 300,370.92/x
  3. Step 3: Cross multiply
    494,029.80x = 681,774.36 × 300,370.92
  4. Step 4: Simplify right side
    494,029.80x = 204,785,191,745.61
  5. Step 5: Solve for x
    x = 204,785,191,745.61/494,029.80
  6. Step 6: Final answer
    x = 414,519.92

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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.