Finding the Fourth Proportional to 634,911.64, 876,120.18 and 376,744.08
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Solution
The fourth proportional to 634,911.64, 876,120.18 and 376,744.08 is: 519,872.48
Step by Step Solution
- Step 1: Write the proportion equation
634,911.64 : 876,120.18 = 376,744.08 : x - Step 2: Convert to fraction form
634,911.64/876,120.18 = 376,744.08/x - Step 3: Cross multiply
634,911.64x = 876,120.18 × 376,744.08 - Step 4: Simplify right side
634,911.64x = 330,073,091,183.53 - Step 5: Solve for x
x = 330,073,091,183.53/634,911.64 - Step 6: Final answer
x = 519,872.48
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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.