Finding the Fourth Proportional to 625,041.44, 862,556.80 and 338,560.80
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Solution
The fourth proportional to 625,041.44, 862,556.80 and 338,560.80 is: 467,213.69
Step by Step Solution
- Step 1: Write the proportion equation
625,041.44 : 862,556.80 = 338,560.80 : x - Step 2: Convert to fraction form
625,041.44/862,556.80 = 338,560.80/x - Step 3: Cross multiply
625,041.44x = 862,556.80 × 338,560.80 - Step 4: Simplify right side
625,041.44x = 292,027,920,253.44 - Step 5: Solve for x
x = 292,027,920,253.44/625,041.44 - Step 6: Final answer
x = 467,213.69
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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.