Finding the Fourth Proportional to 859,198.86, 1,185,724.17 and 477,261.18
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Solution
The fourth proportional to 859,198.86, 1,185,724.17 and 477,261.18 is: 658,636.95
Step by Step Solution
- Step 1: Write the proportion equation
859,198.86 : 1,185,724.17 = 477,261.18 : x - Step 2: Convert to fraction form
859,198.86/1,185,724.17 = 477,261.18/x - Step 3: Cross multiply
859,198.86x = 1,185,724.17 × 477,261.18 - Step 4: Simplify right side
859,198.86x = 565,900,116,528.72 - Step 5: Solve for x
x = 565,900,116,528.72/859,198.86 - Step 6: Final answer
x = 658,636.95
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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.