Finding the Fourth Proportional to 672,085.92, 927,471.36 and 385,651.08
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Solution
The fourth proportional to 672,085.92, 927,471.36 and 385,651.08 is: 532,194.35
Step by Step Solution
- Step 1: Write the proportion equation
672,085.92 : 927,471.36 = 385,651.08 : x - Step 2: Convert to fraction form
672,085.92/927,471.36 = 385,651.08/x - Step 3: Cross multiply
672,085.92x = 927,471.36 × 385,651.08 - Step 4: Simplify right side
672,085.92x = 357,680,331,653.07 - Step 5: Solve for x
x = 357,680,331,653.07/672,085.92 - Step 6: Final answer
x = 532,194.35
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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.