Finding the Fourth Proportional to 931,979.68, 1,286,093.84 and 524,069.92
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Solution
The fourth proportional to 931,979.68, 1,286,093.84 and 524,069.92 is: 723,195.05
Step by Step Solution
- Step 1: Write the proportion equation
931,979.68 : 1,286,093.84 = 524,069.92 : x - Step 2: Convert to fraction form
931,979.68/1,286,093.84 = 524,069.92/x - Step 3: Cross multiply
931,979.68x = 1,286,093.84 × 524,069.92 - Step 4: Simplify right side
931,979.68x = 674,003,095,841.29 - Step 5: Solve for x
x = 674,003,095,841.29/931,979.68 - Step 6: Final answer
x = 723,195.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.