Finding the Fourth Proportional to 979,534.08, 1,351,711.53 and 543,979.08
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Solution
The fourth proportional to 979,534.08, 1,351,711.53 and 543,979.08 is: 750,665.86
Step by Step Solution
- Step 1: Write the proportion equation
979,534.08 : 1,351,711.53 = 543,979.08 : x - Step 2: Convert to fraction form
979,534.08/1,351,711.53 = 543,979.08/x - Step 3: Cross multiply
979,534.08x = 1,351,711.53 × 543,979.08 - Step 4: Simplify right side
979,534.08x = 735,302,794,514.79 - Step 5: Solve for x
x = 735,302,794,514.79/979,534.08 - Step 6: Final answer
x = 750,665.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.