Finding the Fourth Proportional to 814,336.46, 1,221,511.18 and 334,440.62
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Solution
The fourth proportional to 814,336.46, 1,221,511.18 and 334,440.62 is: 501,663.60
Step by Step Solution
- Step 1: Write the proportion equation
814,336.46 : 1,221,511.18 = 334,440.62 : x - Step 2: Convert to fraction form
814,336.46/1,221,511.18 = 334,440.62/x - Step 3: Cross multiply
814,336.46x = 1,221,511.18 × 334,440.62 - Step 4: Simplify right side
814,336.46x = 408,522,956,376.13 - Step 5: Solve for x
x = 408,522,956,376.13/814,336.46 - Step 6: Final answer
x = 501,663.60
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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.