Finding the Fourth Proportional to 512,007.68, 706,836.23 and 374,031.70
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Solution
The fourth proportional to 512,007.68, 706,836.23 and 374,031.70 is: 516,357.80
Step by Step Solution
- Step 1: Write the proportion equation
512,007.68 : 706,836.23 = 374,031.70 : x - Step 2: Convert to fraction form
512,007.68/706,836.23 = 374,031.70/x - Step 3: Cross multiply
512,007.68x = 706,836.23 × 374,031.70 - Step 4: Simplify right side
512,007.68x = 264,379,156,625.42 - Step 5: Solve for x
x = 264,379,156,625.42/512,007.68 - Step 6: Final answer
x = 516,357.80
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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.