Finding the Fourth Proportional to 854,586.12, 1,179,280.84 and 467,324.68
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Solution
The fourth proportional to 854,586.12, 1,179,280.84 and 467,324.68 is: 644,881.81
Step by Step Solution
- Step 1: Write the proportion equation
854,586.12 : 1,179,280.84 = 467,324.68 : x - Step 2: Convert to fraction form
854,586.12/1,179,280.84 = 467,324.68/x - Step 3: Cross multiply
854,586.12x = 1,179,280.84 × 467,324.68 - Step 4: Simplify right side
854,586.12x = 551,107,041,183.13 - Step 5: Solve for x
x = 551,107,041,183.13/854,586.12 - Step 6: Final answer
x = 644,881.81
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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.