Finding the Fourth Proportional to 957,138.64, 1,320,851.44 and 554,963.92
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Solution
The fourth proportional to 957,138.64, 1,320,851.44 and 554,963.92 is: 765,850.28
Step by Step Solution
- Step 1: Write the proportion equation
957,138.64 : 1,320,851.44 = 554,963.92 : x - Step 2: Convert to fraction form
957,138.64/1,320,851.44 = 554,963.92/x - Step 3: Cross multiply
957,138.64x = 1,320,851.44 × 554,963.92 - Step 4: Simplify right side
957,138.64x = 733,024,892,880.05 - Step 5: Solve for x
x = 733,024,892,880.05/957,138.64 - Step 6: Final answer
x = 765,850.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.