Finding the Fourth Proportional to 757,780.27, 1,135,765.23 and 352,425.49
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Solution
The fourth proportional to 757,780.27, 1,135,765.23 and 352,425.49 is: 528,217.26
Step by Step Solution
- Step 1: Write the proportion equation
757,780.27 : 1,135,765.23 = 352,425.49 : x - Step 2: Convert to fraction form
757,780.27/1,135,765.23 = 352,425.49/x - Step 3: Cross multiply
757,780.27x = 1,135,765.23 × 352,425.49 - Step 4: Simplify right side
757,780.27x = 400,272,617,707.71 - Step 5: Solve for x
x = 400,272,617,707.71/757,780.27 - Step 6: Final answer
x = 528,217.26
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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.