Finding the Fourth Proportional to 557,169.44, 768,897.84 and 302,520.80
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Solution
The fourth proportional to 557,169.44, 768,897.84 and 302,520.80 is: 417,480.88
Step by Step Solution
- Step 1: Write the proportion equation
557,169.44 : 768,897.84 = 302,520.80 : x - Step 2: Convert to fraction form
557,169.44/768,897.84 = 302,520.80/x - Step 3: Cross multiply
557,169.44x = 768,897.84 × 302,520.80 - Step 4: Simplify right side
557,169.44x = 232,607,589,675.07 - Step 5: Solve for x
x = 232,607,589,675.07/557,169.44 - Step 6: Final answer
x = 417,480.88
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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.