Finding the Fourth Proportional to 836,442.79, 1,253,958.87 and 362,771.39
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Solution
The fourth proportional to 836,442.79, 1,253,958.87 and 362,771.39 is: 543,851.19
Step by Step Solution
- Step 1: Write the proportion equation
836,442.79 : 1,253,958.87 = 362,771.39 : x - Step 2: Convert to fraction form
836,442.79/1,253,958.87 = 362,771.39/x - Step 3: Cross multiply
836,442.79x = 1,253,958.87 × 362,771.39 - Step 4: Simplify right side
836,442.79x = 454,900,406,768.02 - Step 5: Solve for x
x = 454,900,406,768.02/836,442.79 - Step 6: Final answer
x = 543,851.19
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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.