Finding the Fourth Proportional to 652,107.80, 978,161.70 and 297,813.80
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Solution
The fourth proportional to 652,107.80, 978,161.70 and 297,813.80 is: 446,720.70
Step by Step Solution
- Step 1: Write the proportion equation
652,107.80 : 978,161.70 = 297,813.80 : x - Step 2: Convert to fraction form
652,107.80/978,161.70 = 297,813.80/x - Step 3: Cross multiply
652,107.80x = 978,161.70 × 297,813.80 - Step 4: Simplify right side
652,107.80x = 291,310,052,891.46 - Step 5: Solve for x
x = 291,310,052,891.46/652,107.80 - Step 6: Final answer
x = 446,720.70
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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.