Finding the Fourth Proportional to 512,926.80, 768,775.80 and 263,480.40
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Solution
The fourth proportional to 512,926.80, 768,775.80 and 263,480.40 is: 394,904.99
Step by Step Solution
- Step 1: Write the proportion equation
512,926.80 : 768,775.80 = 263,480.40 : x - Step 2: Convert to fraction form
512,926.80/768,775.80 = 263,480.40/x - Step 3: Cross multiply
512,926.80x = 768,775.80 × 263,480.40 - Step 4: Simplify right side
512,926.80x = 202,557,355,294.32 - Step 5: Solve for x
x = 202,557,355,294.32/512,926.80 - Step 6: Final answer
x = 394,904.99
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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.