Finding the Fourth Proportional to 847,469.26, 1,270,588.02 and 397,958.68
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Solution
The fourth proportional to 847,469.26, 1,270,588.02 and 397,958.68 is: 596,648.82
Step by Step Solution
- Step 1: Write the proportion equation
847,469.26 : 1,270,588.02 = 397,958.68 : x - Step 2: Convert to fraction form
847,469.26/1,270,588.02 = 397,958.68/x - Step 3: Cross multiply
847,469.26x = 1,270,588.02 × 397,958.68 - Step 4: Simplify right side
847,469.26x = 505,641,531,263.01 - Step 5: Solve for x
x = 505,641,531,263.01/847,469.26 - Step 6: Final answer
x = 596,648.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.