Finding the Fourth Proportional to 831,529.60, 1,247,877.60 and 532,736.80
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Solution
The fourth proportional to 831,529.60, 1,247,877.60 and 532,736.80 is: 799,478.84
Step by Step Solution
- Step 1: Write the proportion equation
831,529.60 : 1,247,877.60 = 532,736.80 : x - Step 2: Convert to fraction form
831,529.60/1,247,877.60 = 532,736.80/x - Step 3: Cross multiply
831,529.60x = 1,247,877.60 × 532,736.80 - Step 4: Simplify right side
831,529.60x = 664,790,319,415.68 - Step 5: Solve for x
x = 664,790,319,415.68/831,529.60 - Step 6: Final answer
x = 799,478.84
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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.