Finding the Fourth Proportional to 540,604.99, 810,120.16 and 259,794.19
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Solution
The fourth proportional to 540,604.99, 810,120.16 and 259,794.19 is: 389,312.93
Step by Step Solution
- Step 1: Write the proportion equation
540,604.99 : 810,120.16 = 259,794.19 : x - Step 2: Convert to fraction form
540,604.99/810,120.16 = 259,794.19/x - Step 3: Cross multiply
540,604.99x = 810,120.16 × 259,794.19 - Step 4: Simplify right side
540,604.99x = 210,464,510,769.87 - Step 5: Solve for x
x = 210,464,510,769.87/540,604.99 - Step 6: Final answer
x = 389,312.93
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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.