Finding the Fourth Proportional to 477,564.81, 715,912.27 and 306,832.94
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Solution
The fourth proportional to 477,564.81, 715,912.27 and 306,832.94 is: 459,969.95
Step by Step Solution
- Step 1: Write the proportion equation
477,564.81 : 715,912.27 = 306,832.94 : x - Step 2: Convert to fraction form
477,564.81/715,912.27 = 306,832.94/x - Step 3: Cross multiply
477,564.81x = 715,912.27 × 306,832.94 - Step 4: Simplify right side
477,564.81x = 219,665,464,636.63 - Step 5: Solve for x
x = 219,665,464,636.63/477,564.81 - Step 6: Final answer
x = 459,969.95
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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.