Finding the Fourth Proportional to 676,879.30, 1,014,930.15 and 203,493.70
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Solution
The fourth proportional to 676,879.30, 1,014,930.15 and 203,493.70 is: 305,123.66
Step by Step Solution
- Step 1: Write the proportion equation
676,879.30 : 1,014,930.15 = 203,493.70 : x - Step 2: Convert to fraction form
676,879.30/1,014,930.15 = 203,493.70/x - Step 3: Cross multiply
676,879.30x = 1,014,930.15 × 203,493.70 - Step 4: Simplify right side
676,879.30x = 206,531,891,465.06 - Step 5: Solve for x
x = 206,531,891,465.06/676,879.30 - Step 6: Final answer
x = 305,123.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.