Finding the Fourth Proportional to 502,057.26, 692,253.68 and 374,511.42
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Solution
The fourth proportional to 502,057.26, 692,253.68 and 374,511.42 is: 516,389.12
Step by Step Solution
- Step 1: Write the proportion equation
502,057.26 : 692,253.68 = 374,511.42 : x - Step 2: Convert to fraction form
502,057.26/692,253.68 = 374,511.42/x - Step 3: Cross multiply
502,057.26x = 692,253.68 × 374,511.42 - Step 4: Simplify right side
502,057.26x = 259,256,906,824.47 - Step 5: Solve for x
x = 259,256,906,824.47/502,057.26 - Step 6: Final answer
x = 516,389.12
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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.