Finding the Fourth Proportional to 764,205.12, 1,054,628.64 and 424,687.68
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Solution
The fourth proportional to 764,205.12, 1,054,628.64 and 424,687.68 is: 586,083.21
Step by Step Solution
- Step 1: Write the proportion equation
764,205.12 : 1,054,628.64 = 424,687.68 : x - Step 2: Convert to fraction form
764,205.12/1,054,628.64 = 424,687.68/x - Step 3: Cross multiply
764,205.12x = 1,054,628.64 × 424,687.68 - Step 4: Simplify right side
764,205.12x = 447,887,790,383.16 - Step 5: Solve for x
x = 447,887,790,383.16/764,205.12 - Step 6: Final answer
x = 586,083.21
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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.