Finding the Fourth Proportional to 426,542.38, 588,358.14 and 324,343.79
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Solution
The fourth proportional to 426,542.38, 588,358.14 and 324,343.79 is: 447,388.86
Step by Step Solution
- Step 1: Write the proportion equation
426,542.38 : 588,358.14 = 324,343.79 : x - Step 2: Convert to fraction form
426,542.38/588,358.14 = 324,343.79/x - Step 3: Cross multiply
426,542.38x = 588,358.14 × 324,343.79 - Step 4: Simplify right side
426,542.38x = 190,830,307,053.21 - Step 5: Solve for x
x = 190,830,307,053.21/426,542.38 - Step 6: Final answer
x = 447,388.86
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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.