Finding the Fourth Proportional to 626,033.88, 863,639.82 and 371,292.12
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Solution
The fourth proportional to 626,033.88, 863,639.82 and 371,292.12 is: 512,212.95
Step by Step Solution
- Step 1: Write the proportion equation
626,033.88 : 863,639.82 = 371,292.12 : x - Step 2: Convert to fraction form
626,033.88/863,639.82 = 371,292.12/x - Step 3: Cross multiply
626,033.88x = 863,639.82 × 371,292.12 - Step 4: Simplify right side
626,033.88x = 320,662,659,684.22 - Step 5: Solve for x
x = 320,662,659,684.22/626,033.88 - Step 6: Final answer
x = 512,212.95
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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.