Finding the Fourth Proportional to 768,382.99, 1,149,719.97 and 482,736.17
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Solution
The fourth proportional to 768,382.99, 1,149,719.97 and 482,736.17 is: 722,310.91
Step by Step Solution
- Step 1: Write the proportion equation
768,382.99 : 1,149,719.97 = 482,736.17 : x - Step 2: Convert to fraction form
768,382.99/1,149,719.97 = 482,736.17/x - Step 3: Cross multiply
768,382.99x = 1,149,719.97 × 482,736.17 - Step 4: Simplify right side
768,382.99x = 555,011,414,890.32 - Step 5: Solve for x
x = 555,011,414,890.32/768,382.99 - Step 6: Final answer
x = 722,310.91
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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.