Finding the Fourth Proportional to 864,879.96, 1,193,608.12 and 482,980.52
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Solution
The fourth proportional to 864,879.96, 1,193,608.12 and 482,980.52 is: 666,554.32
Step by Step Solution
- Step 1: Write the proportion equation
864,879.96 : 1,193,608.12 = 482,980.52 : x - Step 2: Convert to fraction form
864,879.96/1,193,608.12 = 482,980.52/x - Step 3: Cross multiply
864,879.96x = 1,193,608.12 × 482,980.52 - Step 4: Simplify right side
864,879.96x = 576,489,470,473.82 - Step 5: Solve for x
x = 576,489,470,473.82/864,879.96 - Step 6: Final answer
x = 666,554.32
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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.