Finding the Fourth Proportional to 625,467.57, 863,149.51 and 338,992.44
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Solution
The fourth proportional to 625,467.57, 863,149.51 and 338,992.44 is: 467,811.88
Step by Step Solution
- Step 1: Write the proportion equation
625,467.57 : 863,149.51 = 338,992.44 : x - Step 2: Convert to fraction form
625,467.57/863,149.51 = 338,992.44/x - Step 3: Cross multiply
625,467.57x = 863,149.51 × 338,992.44 - Step 4: Simplify right side
625,467.57x = 292,601,158,479.70 - Step 5: Solve for x
x = 292,601,158,479.70/625,467.57 - Step 6: Final answer
x = 467,811.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.