Finding the Fourth Proportional to 720,967.05, 1,081,687.30 and 294,861.23
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Solution
The fourth proportional to 720,967.05, 1,081,687.30 and 294,861.23 is: 442,388.66
Step by Step Solution
- Step 1: Write the proportion equation
720,967.05 : 1,081,687.30 = 294,861.23 : x - Step 2: Convert to fraction form
720,967.05/1,081,687.30 = 294,861.23/x - Step 3: Cross multiply
720,967.05x = 1,081,687.30 × 294,861.23 - Step 4: Simplify right side
720,967.05x = 318,947,647,753.38 - Step 5: Solve for x
x = 318,947,647,753.38/720,967.05 - Step 6: Final answer
x = 442,388.66
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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.