Finding the Fourth Proportional to 428,075.04, 590,742.08 and 246,786.12
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Solution
The fourth proportional to 428,075.04, 590,742.08 and 246,786.12 is: 340,564.00
Step by Step Solution
- Step 1: Write the proportion equation
428,075.04 : 590,742.08 = 246,786.12 : x - Step 2: Convert to fraction form
428,075.04/590,742.08 = 246,786.12/x - Step 3: Cross multiply
428,075.04x = 590,742.08 × 246,786.12 - Step 4: Simplify right side
428,075.04x = 145,786,945,843.93 - Step 5: Solve for x
x = 145,786,945,843.93/428,075.04 - Step 6: Final answer
x = 340,564.00
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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.