Finding the Fourth Proportional to 397,563.40, 596,345.10 and 322,913.80
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Solution
The fourth proportional to 397,563.40, 596,345.10 and 322,913.80 is: 484,370.70
Step by Step Solution
- Step 1: Write the proportion equation
397,563.40 : 596,345.10 = 322,913.80 : x - Step 2: Convert to fraction form
397,563.40/596,345.10 = 322,913.80/x - Step 3: Cross multiply
397,563.40x = 596,345.10 × 322,913.80 - Step 4: Simplify right side
397,563.40x = 192,568,062,352.38 - Step 5: Solve for x
x = 192,568,062,352.38/397,563.40 - Step 6: Final answer
x = 484,370.70
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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.