Finding the Fourth Proportional to 757,450.74, 1,045,660.82 and 471,063.09
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Solution
The fourth proportional to 757,450.74, 1,045,660.82 and 471,063.09 is: 650,302.64
Step by Step Solution
- Step 1: Write the proportion equation
757,450.74 : 1,045,660.82 = 471,063.09 : x - Step 2: Convert to fraction form
757,450.74/1,045,660.82 = 471,063.09/x - Step 3: Cross multiply
757,450.74x = 1,045,660.82 × 471,063.09 - Step 4: Simplify right side
757,450.74x = 492,572,214,605.82 - Step 5: Solve for x
x = 492,572,214,605.82/757,450.74 - Step 6: Final answer
x = 650,302.64
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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.