Finding the Fourth Proportional to 548,858.96, 757,309.92 and 322,421.84
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Solution
The fourth proportional to 548,858.96, 757,309.92 and 322,421.84 is: 444,874.32
Step by Step Solution
- Step 1: Write the proportion equation
548,858.96 : 757,309.92 = 322,421.84 : x - Step 2: Convert to fraction form
548,858.96/757,309.92 = 322,421.84/x - Step 3: Cross multiply
548,858.96x = 757,309.92 × 322,421.84 - Step 4: Simplify right side
548,858.96x = 244,173,257,856.65 - Step 5: Solve for x
x = 244,173,257,856.65/548,858.96 - Step 6: Final answer
x = 444,874.32
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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.