Finding the Fourth Proportional to 831,517.60, 1,247,859.60 and 532,724.80
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Solution
The fourth proportional to 831,517.60, 1,247,859.60 and 532,724.80 is: 799,460.84
Step by Step Solution
- Step 1: Write the proportion equation
831,517.60 : 1,247,859.60 = 532,724.80 : x - Step 2: Convert to fraction form
831,517.60/1,247,859.60 = 532,724.80/x - Step 3: Cross multiply
831,517.60x = 1,247,859.60 × 532,724.80 - Step 4: Simplify right side
831,517.60x = 664,765,755,838.08 - Step 5: Solve for x
x = 664,765,755,838.08/831,517.60 - Step 6: Final answer
x = 799,460.84
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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.