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Finding the Fourth Proportional to 450,805.98, 622,119.90 and 246,853.65

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Solution

The fourth proportional to 450,805.98, 622,119.90 and 246,853.65 is: 340,662.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,805.98 : 622,119.90 = 246,853.65 : x
  2. Step 2: Convert to fraction form
    450,805.98/622,119.90 = 246,853.65/x
  3. Step 3: Cross multiply
    450,805.98x = 622,119.90 × 246,853.65
  4. Step 4: Simplify right side
    450,805.98x = 153,572,568,052.64
  5. Step 5: Solve for x
    x = 153,572,568,052.64/450,805.98
  6. Step 6: Final answer
    x = 340,662.22

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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.