Finding the Fourth Proportional to 775,649.44, 1,163,474.47 and 243,211.99
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Solution
The fourth proportional to 775,649.44, 1,163,474.47 and 243,211.99 is: 364,818.08
Step by Step Solution
- Step 1: Write the proportion equation
775,649.44 : 1,163,474.47 = 243,211.99 : x - Step 2: Convert to fraction form
775,649.44/1,163,474.47 = 243,211.99/x - Step 3: Cross multiply
775,649.44x = 1,163,474.47 × 243,211.99 - Step 4: Simplify right side
775,649.44x = 282,970,939,371.67 - Step 5: Solve for x
x = 282,970,939,371.67/775,649.44 - Step 6: Final answer
x = 364,818.08
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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.