Finding the Fourth Proportional to 757,849.68, 1,045,832.40 and 418,317.84
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Solution
The fourth proportional to 757,849.68, 1,045,832.40 and 418,317.84 is: 577,278.53
Step by Step Solution
- Step 1: Write the proportion equation
757,849.68 : 1,045,832.40 = 418,317.84 : x - Step 2: Convert to fraction form
757,849.68/1,045,832.40 = 418,317.84/x - Step 3: Cross multiply
757,849.68x = 1,045,832.40 × 418,317.84 - Step 4: Simplify right side
757,849.68x = 437,490,350,570.02 - Step 5: Solve for x
x = 437,490,350,570.02/757,849.68 - Step 6: Final answer
x = 577,278.53
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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.