Finding the Fourth Proportional to 756,117.87, 1,043,442.09 and 416,586.12
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Solution
The fourth proportional to 756,117.87, 1,043,442.09 and 416,586.12 is: 574,888.53
Step by Step Solution
- Step 1: Write the proportion equation
756,117.87 : 1,043,442.09 = 416,586.12 : x - Step 2: Convert to fraction form
756,117.87/1,043,442.09 = 416,586.12/x - Step 3: Cross multiply
756,117.87x = 1,043,442.09 × 416,586.12 - Step 4: Simplify right side
756,117.87x = 434,683,491,717.79 - Step 5: Solve for x
x = 434,683,491,717.79/756,117.87 - Step 6: Final answer
x = 574,888.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.