Finding the Fourth Proportional to 993,031.05, 1,489,549.68 and 273,382.36
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Solution
The fourth proportional to 993,031.05, 1,489,549.68 and 273,382.36 is: 410,074.39
Step by Step Solution
- Step 1: Write the proportion equation
993,031.05 : 1,489,549.68 = 273,382.36 : x - Step 2: Convert to fraction form
993,031.05/1,489,549.68 = 273,382.36/x - Step 3: Cross multiply
993,031.05x = 1,489,549.68 × 273,382.36 - Step 4: Simplify right side
993,031.05x = 407,216,606,855.65 - Step 5: Solve for x
x = 407,216,606,855.65/993,031.05 - Step 6: Final answer
x = 410,074.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.