Finding the Fourth Proportional to 777,014.92, 1,072,313.66 and 432,850.44
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Solution
The fourth proportional to 777,014.92, 1,072,313.66 and 432,850.44 is: 597,352.03
Step by Step Solution
- Step 1: Write the proportion equation
777,014.92 : 1,072,313.66 = 432,850.44 : x - Step 2: Convert to fraction form
777,014.92/1,072,313.66 = 432,850.44/x - Step 3: Cross multiply
777,014.92x = 1,072,313.66 × 432,850.44 - Step 4: Simplify right side
777,014.92x = 464,151,439,549.01 - Step 5: Solve for x
x = 464,151,439,549.01/777,014.92 - Step 6: Final answer
x = 597,352.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.