Finding the Fourth Proportional to 680,969.23, 1,021,450.60 and 207,653.02
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Solution
The fourth proportional to 680,969.23, 1,021,450.60 and 207,653.02 is: 311,478.54
Step by Step Solution
- Step 1: Write the proportion equation
680,969.23 : 1,021,450.60 = 207,653.02 : x - Step 2: Convert to fraction form
680,969.23/1,021,450.60 = 207,653.02/x - Step 3: Cross multiply
680,969.23x = 1,021,450.60 × 207,653.02 - Step 4: Simplify right side
680,969.23x = 212,107,299,576.75 - Step 5: Solve for x
x = 212,107,299,576.75/680,969.23 - Step 6: Final answer
x = 311,478.54
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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.