Finding the Fourth Proportional to 774,680.49, 1,162,087.72 and 213,714.99
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Solution
The fourth proportional to 774,680.49, 1,162,087.72 and 213,714.99 is: 320,590.96
Step by Step Solution
- Step 1: Write the proportion equation
774,680.49 : 1,162,087.72 = 213,714.99 : x - Step 2: Convert to fraction form
774,680.49/1,162,087.72 = 213,714.99/x - Step 3: Cross multiply
774,680.49x = 1,162,087.72 × 213,714.99 - Step 4: Simplify right side
774,680.49x = 248,355,564,924.64 - Step 5: Solve for x
x = 248,355,564,924.64/774,680.49 - Step 6: Final answer
x = 320,590.96
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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.