Finding the Fourth Proportional to 831,183.68, 1,146,501.60 and 576,441.92
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Solution
The fourth proportional to 831,183.68, 1,146,501.60 and 576,441.92 is: 795,120.98
Step by Step Solution
- Step 1: Write the proportion equation
831,183.68 : 1,146,501.60 = 576,441.92 : x - Step 2: Convert to fraction form
831,183.68/1,146,501.60 = 576,441.92/x - Step 3: Cross multiply
831,183.68x = 1,146,501.60 × 576,441.92 - Step 4: Simplify right side
831,183.68x = 660,891,583,587.07 - Step 5: Solve for x
x = 660,891,583,587.07/831,183.68 - Step 6: Final answer
x = 795,120.98
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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.