Finding the Fourth Proportional to 859,576.02, 1,289,197.26 and 816,902.18
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Solution
The fourth proportional to 859,576.02, 1,289,197.26 and 816,902.18 is: 1,225,194.78
Step by Step Solution
- Step 1: Write the proportion equation
859,576.02 : 1,289,197.26 = 816,902.18 : x - Step 2: Convert to fraction form
859,576.02/1,289,197.26 = 816,902.18/x - Step 3: Cross multiply
859,576.02x = 1,289,197.26 × 816,902.18 - Step 4: Simplify right side
859,576.02x = 1,053,148,052,144.03 - Step 5: Solve for x
x = 1,053,148,052,144.03/859,576.02 - Step 6: Final answer
x = 1,225,194.78
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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.