Finding the Fourth Proportional to 696,445.21, 1,045,892.54 and 686,472.49
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Solution
The fourth proportional to 696,445.21, 1,045,892.54 and 686,472.49 is: 1,030,915.92
Step by Step Solution
- Step 1: Write the proportion equation
696,445.21 : 1,045,892.54 = 686,472.49 : x - Step 2: Convert to fraction form
696,445.21/1,045,892.54 = 686,472.49/x - Step 3: Cross multiply
696,445.21x = 1,045,892.54 × 686,472.49 - Step 4: Simplify right side
696,445.21x = 717,976,456,206.23 - Step 5: Solve for x
x = 717,976,456,206.23/696,445.21 - Step 6: Final answer
x = 1,030,915.92
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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.