Finding the Fourth Proportional to 672,312.58, 927,764.34 and 366,382.40
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Solution
The fourth proportional to 672,312.58, 927,764.34 and 366,382.40 is: 505,592.99
Step by Step Solution
- Step 1: Write the proportion equation
672,312.58 : 927,764.34 = 366,382.40 : x - Step 2: Convert to fraction form
672,312.58/927,764.34 = 366,382.40/x - Step 3: Cross multiply
672,312.58x = 927,764.34 × 366,382.40 - Step 4: Simplify right side
672,312.58x = 339,916,525,523.62 - Step 5: Solve for x
x = 339,916,525,523.62/672,312.58 - Step 6: Final answer
x = 505,592.99
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1.5x scale
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.