Finding the Fourth Proportional to 870,146.76, 1,305,167.49 and 517,405.53
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Solution
The fourth proportional to 870,146.76, 1,305,167.49 and 517,405.53 is: 776,076.99
Step by Step Solution
- Step 1: Write the proportion equation
870,146.76 : 1,305,167.49 = 517,405.53 : x - Step 2: Convert to fraction form
870,146.76/1,305,167.49 = 517,405.53/x - Step 3: Cross multiply
870,146.76x = 1,305,167.49 × 517,405.53 - Step 4: Simplify right side
870,146.76x = 675,300,876,902.22 - Step 5: Solve for x
x = 675,300,876,902.22/870,146.76 - Step 6: Final answer
x = 776,076.99
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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.