Finding the Fourth Proportional to 966,242.79, 1,442,857.41 and 789,101.19
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Solution
The fourth proportional to 966,242.79, 1,442,857.41 and 789,101.19 is: 1,178,337.90
Step by Step Solution
- Step 1: Write the proportion equation
966,242.79 : 1,442,857.41 = 789,101.19 : x - Step 2: Convert to fraction form
966,242.79/1,442,857.41 = 789,101.19/x - Step 3: Cross multiply
966,242.79x = 1,442,857.41 × 789,101.19 - Step 4: Simplify right side
966,242.79x = 1,138,560,499,231.32 - Step 5: Solve for x
x = 1,138,560,499,231.32/966,242.79 - Step 6: Final answer
x = 1,178,337.90
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.