Finding the Fourth Proportional to 755,190.36, 1,042,165.26 and 432,919.80
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Solution
The fourth proportional to 755,190.36, 1,042,165.26 and 432,919.80 is: 597,430.79
Step by Step Solution
- Step 1: Write the proportion equation
755,190.36 : 1,042,165.26 = 432,919.80 : x - Step 2: Convert to fraction form
755,190.36/1,042,165.26 = 432,919.80/x - Step 3: Cross multiply
755,190.36x = 1,042,165.26 × 432,919.80 - Step 4: Simplify right side
755,190.36x = 451,173,975,926.15 - Step 5: Solve for x
x = 451,173,975,926.15/755,190.36 - Step 6: Final answer
x = 597,430.79
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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.