Finding the Fourth Proportional to 505,854.88, 698,405.16 and 324,644.92
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Solution
The fourth proportional to 505,854.88, 698,405.16 and 324,644.92 is: 448,218.84
Step by Step Solution
- Step 1: Write the proportion equation
505,854.88 : 698,405.16 = 324,644.92 : x - Step 2: Convert to fraction form
505,854.88/698,405.16 = 324,644.92/x - Step 3: Cross multiply
505,854.88x = 698,405.16 × 324,644.92 - Step 4: Simplify right side
505,854.88x = 226,733,687,295.79 - Step 5: Solve for x
x = 226,733,687,295.79/505,854.88 - Step 6: Final answer
x = 448,218.84
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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.