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Finding the Fourth Proportional to 422,579.07, 582,900.01 and 345,167.22

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Solution

The fourth proportional to 422,579.07, 582,900.01 and 345,167.22 is: 476,119.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,579.07 : 582,900.01 = 345,167.22 : x
  2. Step 2: Convert to fraction form
    422,579.07/582,900.01 = 345,167.22/x
  3. Step 3: Cross multiply
    422,579.07x = 582,900.01 × 345,167.22
  4. Step 4: Simplify right side
    422,579.07x = 201,197,975,989.67
  5. Step 5: Solve for x
    x = 201,197,975,989.67/422,579.07
  6. Step 6: Final answer
    x = 476,119.12

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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.