Finding the Fourth Proportional to 734,725.70, 1,102,509.04 and 285,388.44
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Solution
The fourth proportional to 734,725.70, 1,102,509.04 and 285,388.44 is: 428,245.99
Step by Step Solution
- Step 1: Write the proportion equation
734,725.70 : 1,102,509.04 = 285,388.44 : x - Step 2: Convert to fraction form
734,725.70/1,102,509.04 = 285,388.44/x - Step 3: Cross multiply
734,725.70x = 1,102,509.04 × 285,388.44 - Step 4: Simplify right side
734,725.70x = 314,643,335,011.50 - Step 5: Solve for x
x = 314,643,335,011.50/734,725.70 - Step 6: Final answer
x = 428,245.99
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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.