Finding the Fourth Proportional to 478,836.09, 716,479.97 and 383,777.97
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Solution
The fourth proportional to 478,836.09, 716,479.97 and 383,777.97 is: 574,244.99
Step by Step Solution
- Step 1: Write the proportion equation
478,836.09 : 716,479.97 = 383,777.97 : x - Step 2: Convert to fraction form
478,836.09/716,479.97 = 383,777.97/x - Step 3: Cross multiply
478,836.09x = 716,479.97 × 383,777.97 - Step 4: Simplify right side
478,836.09x = 274,969,223,826.57 - Step 5: Solve for x
x = 274,969,223,826.57/478,836.09 - Step 6: Final answer
x = 574,244.99
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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.