Finding the Fourth Proportional to 847,843.92, 1,271,318.04 and 374,305.68
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Solution
The fourth proportional to 847,843.92, 1,271,318.04 and 374,305.68 is: 561,260.81
Step by Step Solution
- Step 1: Write the proportion equation
847,843.92 : 1,271,318.04 = 374,305.68 : x - Step 2: Convert to fraction form
847,843.92/1,271,318.04 = 374,305.68/x - Step 3: Cross multiply
847,843.92x = 1,271,318.04 × 374,305.68 - Step 4: Simplify right side
847,843.92x = 475,861,563,458.47 - Step 5: Solve for x
x = 475,861,563,458.47/847,843.92 - Step 6: Final answer
x = 561,260.81
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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.