Finding the Fourth Proportional to 545,821.80, 818,732.70 and 374,579.70
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Solution
The fourth proportional to 545,821.80, 818,732.70 and 374,579.70 is: 561,869.55
Step by Step Solution
- Step 1: Write the proportion equation
545,821.80 : 818,732.70 = 374,579.70 : x - Step 2: Convert to fraction form
545,821.80/818,732.70 = 374,579.70/x - Step 3: Cross multiply
545,821.80x = 818,732.70 × 374,579.70 - Step 4: Simplify right side
545,821.80x = 306,680,649,146.19 - Step 5: Solve for x
x = 306,680,649,146.19/545,821.80 - Step 6: Final answer
x = 561,869.55
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1.5x scale
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.