Finding the Fourth Proportional to 870,121.26, 1,305,129.24 and 517,380.06
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Solution
The fourth proportional to 870,121.26, 1,305,129.24 and 517,380.06 is: 776,038.78
Step by Step Solution
- Step 1: Write the proportion equation
870,121.26 : 1,305,129.24 = 517,380.06 : x - Step 2: Convert to fraction form
870,121.26/1,305,129.24 = 517,380.06/x - Step 3: Cross multiply
870,121.26x = 1,305,129.24 × 517,380.06 - Step 4: Simplify right side
870,121.26x = 675,247,844,498.95 - Step 5: Solve for x
x = 675,247,844,498.95/870,121.26 - Step 6: Final answer
x = 776,038.78
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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.