Finding the Fourth Proportional to 519,611.76, 717,135.53 and 304,821.02
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Solution
The fourth proportional to 519,611.76, 717,135.53 and 304,821.02 is: 420,694.84
Step by Step Solution
- Step 1: Write the proportion equation
519,611.76 : 717,135.53 = 304,821.02 : x - Step 2: Convert to fraction form
519,611.76/717,135.53 = 304,821.02/x - Step 3: Cross multiply
519,611.76x = 717,135.53 × 304,821.02 - Step 4: Simplify right side
519,611.76x = 218,597,984,001.57 - Step 5: Solve for x
x = 218,597,984,001.57/519,611.76 - Step 6: Final answer
x = 420,694.84
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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.