Finding the Fourth Proportional to 945,584.21, 1,417,075.36 and 405,193.62
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Solution
The fourth proportional to 945,584.21, 1,417,075.36 and 405,193.62 is: 607,232.96
Step by Step Solution
- Step 1: Write the proportion equation
945,584.21 : 1,417,075.36 = 405,193.62 : x - Step 2: Convert to fraction form
945,584.21/1,417,075.36 = 405,193.62/x - Step 3: Cross multiply
945,584.21x = 1,417,075.36 × 405,193.62 - Step 4: Simplify right side
945,584.21x = 574,189,899,232.25 - Step 5: Solve for x
x = 574,189,899,232.25/945,584.21 - Step 6: Final answer
x = 607,232.96
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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.