Finding the Fourth Proportional to 626,517.54, 864,584.94 and 354,636.98
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Solution
The fourth proportional to 626,517.54, 864,584.94 and 354,636.98 is: 489,393.79
Step by Step Solution
- Step 1: Write the proportion equation
626,517.54 : 864,584.94 = 354,636.98 : x - Step 2: Convert to fraction form
626,517.54/864,584.94 = 354,636.98/x - Step 3: Cross multiply
626,517.54x = 864,584.94 × 354,636.98 - Step 4: Simplify right side
626,517.54x = 306,613,792,075.08 - Step 5: Solve for x
x = 306,613,792,075.08/626,517.54 - Step 6: Final answer
x = 489,393.79
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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.