Finding the Fourth Proportional to 933,608.40, 1,399,246.20 and 683,998.80
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Solution
The fourth proportional to 933,608.40, 1,399,246.20 and 683,998.80 is: 1,025,143.65
Step by Step Solution
- Step 1: Write the proportion equation
933,608.40 : 1,399,246.20 = 683,998.80 : x - Step 2: Convert to fraction form
933,608.40/1,399,246.20 = 683,998.80/x - Step 3: Cross multiply
933,608.40x = 1,399,246.20 × 683,998.80 - Step 4: Simplify right side
933,608.40x = 957,082,721,704.56 - Step 5: Solve for x
x = 957,082,721,704.56/933,608.40 - Step 6: Final answer
x = 1,025,143.65
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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.