Finding the Fourth Proportional to 704,692.80, 972,249.84 and 394,549.68
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Solution
The fourth proportional to 704,692.80, 972,249.84 and 394,549.68 is: 544,351.90
Step by Step Solution
- Step 1: Write the proportion equation
704,692.80 : 972,249.84 = 394,549.68 : x - Step 2: Convert to fraction form
704,692.80/972,249.84 = 394,549.68/x - Step 3: Cross multiply
704,692.80x = 972,249.84 × 394,549.68 - Step 4: Simplify right side
704,692.80x = 383,600,863,252.05 - Step 5: Solve for x
x = 383,600,863,252.05/704,692.80 - Step 6: Final answer
x = 544,351.90
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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.