Finding the Fourth Proportional to 847,315.08, 1,270,357.20 and 397,804.68
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Solution
The fourth proportional to 847,315.08, 1,270,357.20 and 397,804.68 is: 596,418.09
Step by Step Solution
- Step 1: Write the proportion equation
847,315.08 : 1,270,357.20 = 397,804.68 : x - Step 2: Convert to fraction form
847,315.08/1,270,357.20 = 397,804.68/x - Step 3: Cross multiply
847,315.08x = 1,270,357.20 × 397,804.68 - Step 4: Simplify right side
847,315.08x = 505,354,039,431.70 - Step 5: Solve for x
x = 505,354,039,431.70/847,315.08 - Step 6: Final answer
x = 596,418.09
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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.