Finding the Fourth Proportional to 831,650.10, 1,247,471.51 and 325,853.70
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Solution
The fourth proportional to 831,650.10, 1,247,471.51 and 325,853.70 is: 488,779.12
Step by Step Solution
- Step 1: Write the proportion equation
831,650.10 : 1,247,471.51 = 325,853.70 : x - Step 2: Convert to fraction form
831,650.10/1,247,471.51 = 325,853.70/x - Step 3: Cross multiply
831,650.10x = 1,247,471.51 × 325,853.70 - Step 4: Simplify right side
831,650.10x = 406,493,205,548.82 - Step 5: Solve for x
x = 406,493,205,548.82/831,650.10 - Step 6: Final answer
x = 488,779.12
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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.