Finding the Fourth Proportional to 548,734.12, 757,217.46 and 306,974.92
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Solution
The fourth proportional to 548,734.12, 757,217.46 and 306,974.92 is: 423,605.46
Step by Step Solution
- Step 1: Write the proportion equation
548,734.12 : 757,217.46 = 306,974.92 : x - Step 2: Convert to fraction form
548,734.12/757,217.46 = 306,974.92/x - Step 3: Cross multiply
548,734.12x = 757,217.46 × 306,974.92 - Step 4: Simplify right side
548,734.12x = 232,446,769,206.10 - Step 5: Solve for x
x = 232,446,769,206.10/548,734.12 - Step 6: Final answer
x = 423,605.46
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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.