Finding the Fourth Proportional to 1,478,960.26, 2,218,440.48 and 481,688.26
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Solution
The fourth proportional to 1,478,960.26, 2,218,440.48 and 481,688.26 is: 722,532.42
Step by Step Solution
- Step 1: Write the proportion equation
1,478,960.26 : 2,218,440.48 = 481,688.26 : x - Step 2: Convert to fraction form
1,478,960.26/2,218,440.48 = 481,688.26/x - Step 3: Cross multiply
1,478,960.26x = 2,218,440.48 × 481,688.26 - Step 4: Simplify right side
1,478,960.26x = 1,068,596,734,724.76 - Step 5: Solve for x
x = 1,068,596,734,724.76/1,478,960.26 - Step 6: Final answer
x = 722,532.42
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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.