Finding the Fourth Proportional to 547,653.09, 755,734.28 and 305,887.53
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Solution
The fourth proportional to 547,653.09, 755,734.28 and 305,887.53 is: 422,109.72
Step by Step Solution
- Step 1: Write the proportion equation
547,653.09 : 755,734.28 = 305,887.53 : x - Step 2: Convert to fraction form
547,653.09/755,734.28 = 305,887.53/x - Step 3: Cross multiply
547,653.09x = 755,734.28 × 305,887.53 - Step 4: Simplify right side
547,653.09x = 231,169,690,716.09 - Step 5: Solve for x
x = 231,169,690,716.09/547,653.09 - Step 6: Final answer
x = 422,109.72
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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.