Finding the Fourth Proportional to 680,804.40, 1,021,352.40 and 207,537.60
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Solution
The fourth proportional to 680,804.40, 1,021,352.40 and 207,537.60 is: 311,350.85
Step by Step Solution
- Step 1: Write the proportion equation
680,804.40 : 1,021,352.40 = 207,537.60 : x - Step 2: Convert to fraction form
680,804.40/1,021,352.40 = 207,537.60/x - Step 3: Cross multiply
680,804.40x = 1,021,352.40 × 207,537.60 - Step 4: Simplify right side
680,804.40x = 211,969,025,850.24 - Step 5: Solve for x
x = 211,969,025,850.24/680,804.40 - Step 6: Final answer
x = 311,350.85
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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.