Finding the Fourth Proportional to 780,024, 1,170,036 and 189,048
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Solution
The fourth proportional to 780,024, 1,170,036 and 189,048 is: 283,572
Step by Step Solution
- Step 1: Write the proportion equation
780,024 : 1,170,036 = 189,048 : x - Step 2: Convert to fraction form
780,024/1,170,036 = 189,048/x - Step 3: Cross multiply
780,024x = 1,170,036 × 189,048 - Step 4: Simplify right side
780,024x = 221,192,965,728 - Step 5: Solve for x
x = 221,192,965,728/780,024 - Step 6: Final answer
x = 283,572
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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.