Finding the Fourth Proportional to 886,717.80, 1,330,271.10 and 437,653.80
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Solution
The fourth proportional to 886,717.80, 1,330,271.10 and 437,653.80 is: 656,576.65
Step by Step Solution
- Step 1: Write the proportion equation
886,717.80 : 1,330,271.10 = 437,653.80 : x - Step 2: Convert to fraction form
886,717.80/1,330,271.10 = 437,653.80/x - Step 3: Cross multiply
886,717.80x = 1,330,271.10 × 437,653.80 - Step 4: Simplify right side
886,717.80x = 582,198,201,945.18 - Step 5: Solve for x
x = 582,198,201,945.18/886,717.80 - Step 6: Final answer
x = 656,576.65
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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.