Finding the Fourth Proportional to 808,133.25, 1,212,662.12 and 408,806.49
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Solution
The fourth proportional to 808,133.25, 1,212,662.12 and 408,806.49 is: 613,443.57
Step by Step Solution
- Step 1: Write the proportion equation
808,133.25 : 1,212,662.12 = 408,806.49 : x - Step 2: Convert to fraction form
808,133.25/1,212,662.12 = 408,806.49/x - Step 3: Cross multiply
808,133.25x = 1,212,662.12 × 408,806.49 - Step 4: Simplify right side
808,133.25x = 495,744,142,789.13 - Step 5: Solve for x
x = 495,744,142,789.13/808,133.25 - Step 6: Final answer
x = 613,443.57
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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.