Finding the Fourth Proportional to 757,123.26, 1,044,828.09 and 434,854.23
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Solution
The fourth proportional to 757,123.26, 1,044,828.09 and 434,854.23 is: 600,097.68
Step by Step Solution
- Step 1: Write the proportion equation
757,123.26 : 1,044,828.09 = 434,854.23 : x - Step 2: Convert to fraction form
757,123.26/1,044,828.09 = 434,854.23/x - Step 3: Cross multiply
757,123.26x = 1,044,828.09 × 434,854.23 - Step 4: Simplify right side
757,123.26x = 454,347,914,559.32 - Step 5: Solve for x
x = 454,347,914,559.32/757,123.26 - Step 6: Final answer
x = 600,097.68
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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.