Finding the Fourth Proportional to 672,409.98, 927,898.83 and 366,479.97
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Solution
The fourth proportional to 672,409.98, 927,898.83 and 366,479.97 is: 505,727.67
Step by Step Solution
- Step 1: Write the proportion equation
672,409.98 : 927,898.83 = 366,479.97 : x - Step 2: Convert to fraction form
672,409.98/927,898.83 = 366,479.97/x - Step 3: Cross multiply
672,409.98x = 927,898.83 × 366,479.97 - Step 4: Simplify right side
672,409.98x = 340,056,335,381.44 - Step 5: Solve for x
x = 340,056,335,381.44/672,409.98 - Step 6: Final answer
x = 505,727.67
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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.