Finding the Fourth Proportional to 764,251.58, 1,146,402.89 and 343,528.67
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Solution
The fourth proportional to 764,251.58, 1,146,402.89 and 343,528.67 is: 515,304.47
Step by Step Solution
- Step 1: Write the proportion equation
764,251.58 : 1,146,402.89 = 343,528.67 : x - Step 2: Convert to fraction form
764,251.58/1,146,402.89 = 343,528.67/x - Step 3: Cross multiply
764,251.58x = 1,146,402.89 × 343,528.67 - Step 4: Simplify right side
764,251.58x = 393,822,258,368.21 - Step 5: Solve for x
x = 393,822,258,368.21/764,251.58 - Step 6: Final answer
x = 515,304.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.