Finding the Fourth Proportional to 984,331.44, 1,476,620.28 and 385,215.21
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Solution
The fourth proportional to 984,331.44, 1,476,620.28 and 385,215.21 is: 577,871.00
Step by Step Solution
- Step 1: Write the proportion equation
984,331.44 : 1,476,620.28 = 385,215.21 : x - Step 2: Convert to fraction form
984,331.44/1,476,620.28 = 385,215.21/x - Step 3: Cross multiply
984,331.44x = 1,476,620.28 × 385,215.21 - Step 4: Simplify right side
984,331.44x = 568,816,591,250.46 - Step 5: Solve for x
x = 568,816,591,250.46/984,331.44 - Step 6: Final answer
x = 577,871.00
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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.