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Finding the Fourth Proportional to 450,855, 622,175.44 and 244,122.40

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Solution

The fourth proportional to 450,855, 622,175.44 and 244,122.40 is: 336,886.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,855 : 622,175.44 = 244,122.40 : x
  2. Step 2: Convert to fraction form
    450,855/622,175.44 = 244,122.40/x
  3. Step 3: Cross multiply
    450,855x = 622,175.44 × 244,122.40
  4. Step 4: Simplify right side
    450,855x = 151,886,961,633.86
  5. Step 5: Solve for x
    x = 151,886,961,633.86/450,855
  6. Step 6: Final answer
    x = 336,886.50

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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.