Finding the Fourth Proportional to 478,723.24, 718,313.02 and 298,759.80
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Solution
The fourth proportional to 478,723.24, 718,313.02 and 298,759.80 is: 448,282.09
Step by Step Solution
- Step 1: Write the proportion equation
478,723.24 : 718,313.02 = 298,759.80 : x - Step 2: Convert to fraction form
478,723.24/718,313.02 = 298,759.80/x - Step 3: Cross multiply
478,723.24x = 718,313.02 × 298,759.80 - Step 4: Simplify right side
478,723.24x = 214,603,054,192.60 - Step 5: Solve for x
x = 214,603,054,192.60/478,723.24 - Step 6: Final answer
x = 448,282.09
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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.