Finding the Fourth Proportional to 547,858.08, 755,914.41 and 318,278.97
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Solution
The fourth proportional to 547,858.08, 755,914.41 and 318,278.97 is: 439,149.61
Step by Step Solution
- Step 1: Write the proportion equation
547,858.08 : 755,914.41 = 318,278.97 : x - Step 2: Convert to fraction form
547,858.08/755,914.41 = 318,278.97/x - Step 3: Cross multiply
547,858.08x = 755,914.41 × 318,278.97 - Step 4: Simplify right side
547,858.08x = 240,591,659,822.96 - Step 5: Solve for x
x = 240,591,659,822.96/547,858.08 - Step 6: Final answer
x = 439,149.61
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.