Home / 808,616.44-1,211,940.78-572,027.32

Finding the Fourth Proportional to 808,616.44, 1,211,940.78 and 572,027.32

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Solution

The fourth proportional to 808,616.44, 1,211,940.78 and 572,027.32 is: 857,344.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,616.44 : 1,211,940.78 = 572,027.32 : x
  2. Step 2: Convert to fraction form
    808,616.44/1,211,940.78 = 572,027.32/x
  3. Step 3: Cross multiply
    808,616.44x = 1,211,940.78 × 572,027.32
  4. Step 4: Simplify right side
    808,616.44x = 693,263,236,382.11
  5. Step 5: Solve for x
    x = 693,263,236,382.11/808,616.44
  6. Step 6: Final answer
    x = 857,344.97

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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.