Finding the Fourth Proportional to 758,042.38, 1,136,247.09 and 402,698.62
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Solution
The fourth proportional to 758,042.38, 1,136,247.09 and 402,698.62 is: 603,614.19
Step by Step Solution
- Step 1: Write the proportion equation
758,042.38 : 1,136,247.09 = 402,698.62 : x - Step 2: Convert to fraction form
758,042.38/1,136,247.09 = 402,698.62/x - Step 3: Cross multiply
758,042.38x = 1,136,247.09 × 402,698.62 - Step 4: Simplify right side
758,042.38x = 457,565,135,122.02 - Step 5: Solve for x
x = 457,565,135,122.02/758,042.38 - Step 6: Final answer
x = 603,614.19
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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.