Finding the Fourth Proportional to 824,348.12, 1,236,546.47 and 703,644.03
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Solution
The fourth proportional to 824,348.12, 1,236,546.47 and 703,644.03 is: 1,055,486.79
Step by Step Solution
- Step 1: Write the proportion equation
824,348.12 : 1,236,546.47 = 703,644.03 : x - Step 2: Convert to fraction form
824,348.12/1,236,546.47 = 703,644.03/x - Step 3: Cross multiply
824,348.12x = 1,236,546.47 × 703,644.03 - Step 4: Simplify right side
824,348.12x = 870,088,543,192.18 - Step 5: Solve for x
x = 870,088,543,192.18/824,348.12 - Step 6: Final answer
x = 1,055,486.79
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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.