Finding the Fourth Proportional to 531,379.68, 797,241.84 and 318,114.37
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Solution
The fourth proportional to 531,379.68, 797,241.84 and 318,114.37 is: 477,274.72
Step by Step Solution
- Step 1: Write the proportion equation
531,379.68 : 797,241.84 = 318,114.37 : x - Step 2: Convert to fraction form
531,379.68/797,241.84 = 318,114.37/x - Step 3: Cross multiply
531,379.68x = 797,241.84 × 318,114.37 - Step 4: Simplify right side
531,379.68x = 253,614,085,669.24 - Step 5: Solve for x
x = 253,614,085,669.24/531,379.68 - Step 6: Final answer
x = 477,274.72
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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.