Finding the Fourth Proportional to 863,695.28, 1,295,496.18 and 264,658.21
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Solution
The fourth proportional to 863,695.28, 1,295,496.18 and 264,658.21 is: 396,972.99
Step by Step Solution
- Step 1: Write the proportion equation
863,695.28 : 1,295,496.18 = 264,658.21 : x - Step 2: Convert to fraction form
863,695.28/1,295,496.18 = 264,658.21/x - Step 3: Cross multiply
863,695.28x = 1,295,496.18 × 264,658.21 - Step 4: Simplify right side
863,695.28x = 342,863,700,465.48 - Step 5: Solve for x
x = 342,863,700,465.48/863,695.28 - Step 6: Final answer
x = 396,972.99
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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.