Finding the Fourth Proportional to 831,700.44, 1,247,073.12 and 325,668.94
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Solution
The fourth proportional to 831,700.44, 1,247,073.12 and 325,668.94 is: 488,316.42
Step by Step Solution
- Step 1: Write the proportion equation
831,700.44 : 1,247,073.12 = 325,668.94 : x - Step 2: Convert to fraction form
831,700.44/1,247,073.12 = 325,668.94/x - Step 3: Cross multiply
831,700.44x = 1,247,073.12 × 325,668.94 - Step 4: Simplify right side
831,700.44x = 406,132,981,092.89 - Step 5: Solve for x
x = 406,132,981,092.89/831,700.44 - Step 6: Final answer
x = 488,316.42
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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.