Finding the Fourth Proportional to 966,231.79, 1,442,841.00 and 789,090.19
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Solution
The fourth proportional to 966,231.79, 1,442,841.00 and 789,090.19 is: 1,178,321.48
Step by Step Solution
- Step 1: Write the proportion equation
966,231.79 : 1,442,841.00 = 789,090.19 : x - Step 2: Convert to fraction form
966,231.79/1,442,841.00 = 789,090.19/x - Step 3: Cross multiply
966,231.79x = 1,442,841.00 × 789,090.19 - Step 4: Simplify right side
966,231.79x = 1,138,531,676,857.06 - Step 5: Solve for x
x = 1,138,531,676,857.06/966,231.79 - Step 6: Final answer
x = 1,178,321.48
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.