Finding the Fourth Proportional to 734,717.10, 1,102,075.65 and 202,320.30
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Solution
The fourth proportional to 734,717.10, 1,102,075.65 and 202,320.30 is: 303,480.45
Step by Step Solution
- Step 1: Write the proportion equation
734,717.10 : 1,102,075.65 = 202,320.30 : x - Step 2: Convert to fraction form
734,717.10/1,102,075.65 = 202,320.30/x - Step 3: Cross multiply
734,717.10x = 1,102,075.65 × 202,320.30 - Step 4: Simplify right side
734,717.10x = 222,972,276,130.70 - Step 5: Solve for x
x = 222,972,276,130.70/734,717.10 - Step 6: Final answer
x = 303,480.45
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Similar ratio
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1.5x scale
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.