Finding the Fourth Proportional to 707,581.98, 1,060,427.09 and 257,880.11
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Solution
The fourth proportional to 707,581.98, 1,060,427.09 and 257,880.11 is: 386,475.43
Step by Step Solution
- Step 1: Write the proportion equation
707,581.98 : 1,060,427.09 = 257,880.11 : x - Step 2: Convert to fraction form
707,581.98/1,060,427.09 = 257,880.11/x - Step 3: Cross multiply
707,581.98x = 1,060,427.09 × 257,880.11 - Step 4: Simplify right side
707,581.98x = 273,463,049,958.75 - Step 5: Solve for x
x = 273,463,049,958.75/707,581.98 - Step 6: Final answer
x = 386,475.43
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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.