Finding the Fourth Proportional to 859,114.62, 1,185,544.80 and 477,165.60
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Solution
The fourth proportional to 859,114.62, 1,185,544.80 and 477,165.60 is: 658,469.99
Step by Step Solution
- Step 1: Write the proportion equation
859,114.62 : 1,185,544.80 = 477,165.60 : x - Step 2: Convert to fraction form
859,114.62/1,185,544.80 = 477,165.60/x - Step 3: Cross multiply
859,114.62x = 1,185,544.80 × 477,165.60 - Step 4: Simplify right side
859,114.62x = 565,701,195,818.88 - Step 5: Solve for x
x = 565,701,195,818.88/859,114.62 - Step 6: Final answer
x = 658,469.99
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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.