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Finding the Fourth Proportional to 450,800.13, 622,111.83 and 246,847.80

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Solution

The fourth proportional to 450,800.13, 622,111.83 and 246,847.80 is: 340,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,800.13 : 622,111.83 = 246,847.80 : x
  2. Step 2: Convert to fraction form
    450,800.13/622,111.83 = 246,847.80/x
  3. Step 3: Cross multiply
    450,800.13x = 622,111.83 × 246,847.80
  4. Step 4: Simplify right side
    450,800.13x = 153,566,936,589.47
  5. Step 5: Solve for x
    x = 153,566,936,589.47/450,800.13
  6. Step 6: Final answer
    x = 340,654.15

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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.