Home / 422,290.46-582,818.81-258,918.07

Finding the Fourth Proportional to 422,290.46, 582,818.81 and 258,918.07

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Solution

The fourth proportional to 422,290.46, 582,818.81 and 258,918.07 is: 357,342.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,290.46 : 582,818.81 = 258,918.07 : x
  2. Step 2: Convert to fraction form
    422,290.46/582,818.81 = 258,918.07/x
  3. Step 3: Cross multiply
    422,290.46x = 582,818.81 × 258,918.07
  4. Step 4: Simplify right side
    422,290.46x = 150,902,321,788.62
  5. Step 5: Solve for x
    x = 150,902,321,788.62/422,290.46
  6. Step 6: Final answer
    x = 357,342.49

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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.