Finding the Fourth Proportional to 870,815.58, 1,305,224.37 and 365,283.06
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Solution
The fourth proportional to 870,815.58, 1,305,224.37 and 365,283.06 is: 547,505.54
Step by Step Solution
- Step 1: Write the proportion equation
870,815.58 : 1,305,224.37 = 365,283.06 : x - Step 2: Convert to fraction form
870,815.58/1,305,224.37 = 365,283.06/x - Step 3: Cross multiply
870,815.58x = 1,305,224.37 × 365,283.06 - Step 4: Simplify right side
870,815.58x = 476,776,351,860.17 - Step 5: Solve for x
x = 476,776,351,860.17/870,815.58 - Step 6: Final answer
x = 547,505.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.