Finding the Fourth Proportional to 722,503.80, 1,083,906.36 and 217,044.36
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Solution
The fourth proportional to 722,503.80, 1,083,906.36 and 217,044.36 is: 325,611.80
Step by Step Solution
- Step 1: Write the proportion equation
722,503.80 : 1,083,906.36 = 217,044.36 : x - Step 2: Convert to fraction form
722,503.80/1,083,906.36 = 217,044.36/x - Step 3: Cross multiply
722,503.80x = 1,083,906.36 × 217,044.36 - Step 4: Simplify right side
722,503.80x = 235,255,762,206.13 - Step 5: Solve for x
x = 235,255,762,206.13/722,503.80 - Step 6: Final answer
x = 325,611.80
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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.