Finding the Fourth Proportional to 725,868.14, 1,088,685.54 and 227,232.14
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Solution
The fourth proportional to 725,868.14, 1,088,685.54 and 227,232.14 is: 340,811.69
Step by Step Solution
- Step 1: Write the proportion equation
725,868.14 : 1,088,685.54 = 227,232.14 : x - Step 2: Convert to fraction form
725,868.14/1,088,685.54 = 227,232.14/x - Step 3: Cross multiply
725,868.14x = 1,088,685.54 × 227,232.14 - Step 4: Simplify right side
725,868.14x = 247,384,345,041.26 - Step 5: Solve for x
x = 247,384,345,041.26/725,868.14 - Step 6: Final answer
x = 340,811.69
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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.