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Finding the Fourth Proportional to 450,850.60, 622,022.79 and 259,859.89

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Solution

The fourth proportional to 450,850.60, 622,022.79 and 259,859.89 is: 358,519.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,850.60 : 622,022.79 = 259,859.89 : x
  2. Step 2: Convert to fraction form
    450,850.60/622,022.79 = 259,859.89/x
  3. Step 3: Cross multiply
    450,850.60x = 622,022.79 × 259,859.89
  4. Step 4: Simplify right side
    450,850.60x = 161,638,773,786.89
  5. Step 5: Solve for x
    x = 161,638,773,786.89/450,850.60
  6. Step 6: Final answer
    x = 358,519.59

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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.