Finding the Fourth Proportional to 625,556.10, 863,269.26 and 339,077.32
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Solution
The fourth proportional to 625,556.10, 863,269.26 and 339,077.32 is: 467,927.70
Step by Step Solution
- Step 1: Write the proportion equation
625,556.10 : 863,269.26 = 339,077.32 : x - Step 2: Convert to fraction form
625,556.10/863,269.26 = 339,077.32/x - Step 3: Cross multiply
625,556.10x = 863,269.26 × 339,077.32 - Step 4: Simplify right side
625,556.10x = 292,715,027,119.18 - Step 5: Solve for x
x = 292,715,027,119.18/625,556.10 - Step 6: Final answer
x = 467,927.70
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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.