Finding the Fourth Proportional to 541,814.14, 747,711.42 and 312,367.48
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Solution
The fourth proportional to 541,814.14, 747,711.42 and 312,367.48 is: 431,071.68
Step by Step Solution
- Step 1: Write the proportion equation
541,814.14 : 747,711.42 = 312,367.48 : x - Step 2: Convert to fraction form
541,814.14/747,711.42 = 312,367.48/x - Step 3: Cross multiply
541,814.14x = 747,711.42 × 312,367.48 - Step 4: Simplify right side
541,814.14x = 233,560,732,032.62 - Step 5: Solve for x
x = 233,560,732,032.62/541,814.14 - Step 6: Final answer
x = 431,071.68
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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.