Finding the Fourth Proportional to 858,197.10, 1,285,725.78 and 401,950.62
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Solution
The fourth proportional to 858,197.10, 1,285,725.78 and 401,950.62 is: 602,190.66
Step by Step Solution
- Step 1: Write the proportion equation
858,197.10 : 1,285,725.78 = 401,950.62 : x - Step 2: Convert to fraction form
858,197.10/1,285,725.78 = 401,950.62/x - Step 3: Cross multiply
858,197.10x = 1,285,725.78 × 401,950.62 - Step 4: Simplify right side
858,197.10x = 516,798,274,420.98 - Step 5: Solve for x
x = 516,798,274,420.98/858,197.10 - Step 6: Final answer
x = 602,190.66
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1.5x scale
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.