Finding the Fourth Proportional to 528,161.68, 728,797.64 and 337,286.80
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Solution
The fourth proportional to 528,161.68, 728,797.64 and 337,286.80 is: 465,413.97
Step by Step Solution
- Step 1: Write the proportion equation
528,161.68 : 728,797.64 = 337,286.80 : x - Step 2: Convert to fraction form
528,161.68/728,797.64 = 337,286.80/x - Step 3: Cross multiply
528,161.68x = 728,797.64 × 337,286.80 - Step 4: Simplify right side
528,161.68x = 245,813,823,843.15 - Step 5: Solve for x
x = 245,813,823,843.15/528,161.68 - Step 6: Final answer
x = 465,413.97
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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.