Finding the Fourth Proportional to 694,658.40, 958,817.16 and 408,270.48
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Solution
The fourth proportional to 694,658.40, 958,817.16 and 408,270.48 is: 563,524.09
Step by Step Solution
- Step 1: Write the proportion equation
694,658.40 : 958,817.16 = 408,270.48 : x - Step 2: Convert to fraction form
694,658.40/958,817.16 = 408,270.48/x - Step 3: Cross multiply
694,658.40x = 958,817.16 × 408,270.48 - Step 4: Simplify right side
694,658.40x = 391,456,742,145.44 - Step 5: Solve for x
x = 391,456,742,145.44/694,658.40 - Step 6: Final answer
x = 563,524.09
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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.