Finding the Fourth Proportional to 831,403.68, 1,146,571.92 and 544,819.68
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Solution
The fourth proportional to 831,403.68, 1,146,571.92 and 544,819.68 is: 751,349.75
Step by Step Solution
- Step 1: Write the proportion equation
831,403.68 : 1,146,571.92 = 544,819.68 : x - Step 2: Convert to fraction form
831,403.68/1,146,571.92 = 544,819.68/x - Step 3: Cross multiply
831,403.68x = 1,146,571.92 × 544,819.68 - Step 4: Simplify right side
831,403.68x = 624,674,946,551.39 - Step 5: Solve for x
x = 624,674,946,551.39/831,403.68 - Step 6: Final answer
x = 751,349.75
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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.