Finding the Fourth Proportional to 431,810.36, 648,276.82 and 332,040.62
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Solution
The fourth proportional to 431,810.36, 648,276.82 and 332,040.62 is: 498,492.52
Step by Step Solution
- Step 1: Write the proportion equation
431,810.36 : 648,276.82 = 332,040.62 : x - Step 2: Convert to fraction form
431,810.36/648,276.82 = 332,040.62/x - Step 3: Cross multiply
431,810.36x = 648,276.82 × 332,040.62 - Step 4: Simplify right side
431,810.36x = 215,254,236,489.66 - Step 5: Solve for x
x = 215,254,236,489.66/431,810.36 - Step 6: Final answer
x = 498,492.52
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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.