Finding the Fourth Proportional to 699,026.28, 1,049,589.18 and 399,844.68
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Solution
The fourth proportional to 699,026.28, 1,049,589.18 and 399,844.68 is: 600,367.49
Step by Step Solution
- Step 1: Write the proportion equation
699,026.28 : 1,049,589.18 = 399,844.68 : x - Step 2: Convert to fraction form
699,026.28/1,049,589.18 = 399,844.68/x - Step 3: Cross multiply
699,026.28x = 1,049,589.18 × 399,844.68 - Step 4: Simplify right side
699,026.28x = 419,672,649,808.56 - Step 5: Solve for x
x = 419,672,649,808.56/699,026.28 - Step 6: Final answer
x = 600,367.49
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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.