Finding the Fourth Proportional to 668,879.67, 922,791.18 and 382,245.99
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Solution
The fourth proportional to 668,879.67, 922,791.18 and 382,245.99 is: 527,349.30
Step by Step Solution
- Step 1: Write the proportion equation
668,879.67 : 922,791.18 = 382,245.99 : x - Step 2: Convert to fraction form
668,879.67/922,791.18 = 382,245.99/x - Step 3: Cross multiply
668,879.67x = 922,791.18 × 382,245.99 - Step 4: Simplify right side
668,879.67x = 352,733,228,162.37 - Step 5: Solve for x
x = 352,733,228,162.37/668,879.67 - Step 6: Final answer
x = 527,349.30
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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.