Finding the Fourth Proportional to 725,601.35, 1,088,453.29 and 220,203.42
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Solution
The fourth proportional to 725,601.35, 1,088,453.29 and 220,203.42 is: 330,320.69
Step by Step Solution
- Step 1: Write the proportion equation
725,601.35 : 1,088,453.29 = 220,203.42 : x - Step 2: Convert to fraction form
725,601.35/1,088,453.29 = 220,203.42/x - Step 3: Cross multiply
725,601.35x = 1,088,453.29 × 220,203.42 - Step 4: Simplify right side
725,601.35x = 239,681,136,968.25 - Step 5: Solve for x
x = 239,681,136,968.25/725,601.35 - Step 6: Final answer
x = 330,320.69
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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.