Finding the Fourth Proportional to 669,629.20, 1,004,328.60 and 248,688.40
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Solution
The fourth proportional to 669,629.20, 1,004,328.60 and 248,688.40 is: 372,989.82
Step by Step Solution
- Step 1: Write the proportion equation
669,629.20 : 1,004,328.60 = 248,688.40 : x - Step 2: Convert to fraction form
669,629.20/1,004,328.60 = 248,688.40/x - Step 3: Cross multiply
669,629.20x = 1,004,328.60 × 248,688.40 - Step 4: Simplify right side
669,629.20x = 249,764,872,608.24 - Step 5: Solve for x
x = 249,764,872,608.24/669,629.20 - Step 6: Final answer
x = 372,989.82
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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.