Home / 800,048.09-1,199,979.74-200,963.63

Finding the Fourth Proportional to 800,048.09, 1,199,979.74 and 200,963.63

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Solution

The fourth proportional to 800,048.09, 1,199,979.74 and 200,963.63 is: 301,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,048.09 : 1,199,979.74 = 200,963.63 : x
  2. Step 2: Convert to fraction form
    800,048.09/1,199,979.74 = 200,963.63/x
  3. Step 3: Cross multiply
    800,048.09x = 1,199,979.74 × 200,963.63
  4. Step 4: Simplify right side
    800,048.09x = 241,152,287,979.22
  5. Step 5: Solve for x
    x = 241,152,287,979.22/800,048.09
  6. Step 6: Final answer
    x = 301,422.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.