Finding the Fourth Proportional to 696,444.21, 1,045,891.04 and 686,471.49
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Solution
The fourth proportional to 696,444.21, 1,045,891.04 and 686,471.49 is: 1,030,914.42
Step by Step Solution
- Step 1: Write the proportion equation
696,444.21 : 1,045,891.04 = 686,471.49 : x - Step 2: Convert to fraction form
696,444.21/1,045,891.04 = 686,471.49/x - Step 3: Cross multiply
696,444.21x = 1,045,891.04 × 686,471.49 - Step 4: Simplify right side
696,444.21x = 717,974,377,174.09 - Step 5: Solve for x
x = 717,974,377,174.09/696,444.21 - Step 6: Final answer
x = 1,030,914.42
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.