Finding the Fourth Proportional to 505,859.01, 698,410.85 and 324,649.05
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Solution
The fourth proportional to 505,859.01, 698,410.85 and 324,649.05 is: 448,224.53
Step by Step Solution
- Step 1: Write the proportion equation
505,859.01 : 698,410.85 = 324,649.05 : x - Step 2: Convert to fraction form
505,859.01/698,410.85 = 324,649.05/x - Step 3: Cross multiply
505,859.01x = 698,410.85 × 324,649.05 - Step 4: Simplify right side
505,859.01x = 226,738,418,962.19 - Step 5: Solve for x
x = 226,738,418,962.19/505,859.01 - Step 6: Final answer
x = 448,224.53
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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.