Finding the Fourth Proportional to 579,972.10, 870,179.88 and 327,537.62
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Solution
The fourth proportional to 579,972.10, 870,179.88 and 327,537.62 is: 491,431.65
Step by Step Solution
- Step 1: Write the proportion equation
579,972.10 : 870,179.88 = 327,537.62 : x - Step 2: Convert to fraction form
579,972.10/870,179.88 = 327,537.62/x - Step 3: Cross multiply
579,972.10x = 870,179.88 × 327,537.62 - Step 4: Simplify right side
579,972.10x = 285,016,646,867.09 - Step 5: Solve for x
x = 285,016,646,867.09/579,972.10 - Step 6: Final answer
x = 491,431.65
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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.