Finding the Fourth Proportional to 573,979.76, 860,991.36 and 293,168.96
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Solution
The fourth proportional to 573,979.76, 860,991.36 and 293,168.96 is: 439,764.53
Step by Step Solution
- Step 1: Write the proportion equation
573,979.76 : 860,991.36 = 293,168.96 : x - Step 2: Convert to fraction form
573,979.76/860,991.36 = 293,168.96/x - Step 3: Cross multiply
573,979.76x = 860,991.36 × 293,168.96 - Step 4: Simplify right side
573,979.76x = 252,415,941,580.19 - Step 5: Solve for x
x = 252,415,941,580.19/573,979.76 - Step 6: Final answer
x = 439,764.53
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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.