Finding the Fourth Proportional to 696,894.21, 1,045,369.67 and 331,968.23
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Solution
The fourth proportional to 696,894.21, 1,045,369.67 and 331,968.23 is: 497,965.85
Step by Step Solution
- Step 1: Write the proportion equation
696,894.21 : 1,045,369.67 = 331,968.23 : x - Step 2: Convert to fraction form
696,894.21/1,045,369.67 = 331,968.23/x - Step 3: Cross multiply
696,894.21x = 1,045,369.67 × 331,968.23 - Step 4: Simplify right side
696,894.21x = 347,029,519,045.58 - Step 5: Solve for x
x = 347,029,519,045.58/696,894.21 - Step 6: Final answer
x = 497,965.85
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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.