Finding the Fourth Proportional to 852,675.26, 1,279,012.95 and 253,645.02
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Solution
The fourth proportional to 852,675.26, 1,279,012.95 and 253,645.02 is: 380,467.55
Step by Step Solution
- Step 1: Write the proportion equation
852,675.26 : 1,279,012.95 = 253,645.02 : x - Step 2: Convert to fraction form
852,675.26/1,279,012.95 = 253,645.02/x - Step 3: Cross multiply
852,675.26x = 1,279,012.95 × 253,645.02 - Step 4: Simplify right side
852,675.26x = 324,415,265,283.01 - Step 5: Solve for x
x = 324,415,265,283.01/852,675.26 - Step 6: Final answer
x = 380,467.55
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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.