Finding the Fourth Proportional to 769,599.74, 1,154,586.45 and 237,120.75
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Solution
The fourth proportional to 769,599.74, 1,154,586.45 and 237,120.75 is: 355,738.69
Step by Step Solution
- Step 1: Write the proportion equation
769,599.74 : 1,154,586.45 = 237,120.75 : x - Step 2: Convert to fraction form
769,599.74/1,154,586.45 = 237,120.75/x - Step 3: Cross multiply
769,599.74x = 1,154,586.45 × 237,120.75 - Step 4: Simplify right side
769,599.74x = 273,776,404,963.84 - Step 5: Solve for x
x = 273,776,404,963.84/769,599.74 - Step 6: Final answer
x = 355,738.69
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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.