Finding the Fourth Proportional to 542,719.26, 748,998.56 and 301,079.68
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Solution
The fourth proportional to 542,719.26, 748,998.56 and 301,079.68 is: 415,515.46
Step by Step Solution
- Step 1: Write the proportion equation
542,719.26 : 748,998.56 = 301,079.68 : x - Step 2: Convert to fraction form
542,719.26/748,998.56 = 301,079.68/x - Step 3: Cross multiply
542,719.26x = 748,998.56 × 301,079.68 - Step 4: Simplify right side
542,719.26x = 225,508,245,645.46 - Step 5: Solve for x
x = 225,508,245,645.46/542,719.26 - Step 6: Final answer
x = 415,515.46
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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.