Home / 494,437.32-682,434.90-290,553.75

Finding the Fourth Proportional to 494,437.32, 682,434.90 and 290,553.75

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Solution

The fourth proportional to 494,437.32, 682,434.90 and 290,553.75 is: 401,029.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,437.32 : 682,434.90 = 290,553.75 : x
  2. Step 2: Convert to fraction form
    494,437.32/682,434.90 = 290,553.75/x
  3. Step 3: Cross multiply
    494,437.32x = 682,434.90 × 290,553.75
  4. Step 4: Simplify right side
    494,437.32x = 198,284,019,325.88
  5. Step 5: Solve for x
    x = 198,284,019,325.88/494,437.32
  6. Step 6: Final answer
    x = 401,029.64

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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.