Finding the Fourth Proportional to 824,556.44, 1,236,990.03 and 312,375.00
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Solution
The fourth proportional to 824,556.44, 1,236,990.03 and 312,375.00 is: 468,621.35
Step by Step Solution
- Step 1: Write the proportion equation
824,556.44 : 1,236,990.03 = 312,375.00 : x - Step 2: Convert to fraction form
824,556.44/1,236,990.03 = 312,375.00/x - Step 3: Cross multiply
824,556.44x = 1,236,990.03 × 312,375.00 - Step 4: Simplify right side
824,556.44x = 386,404,754,811.13 - Step 5: Solve for x
x = 386,404,754,811.13/824,556.44 - Step 6: Final answer
x = 468,621.35
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.