Finding the Fourth Proportional to 511,791.84, 706,273.68 and 285,451.92
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Solution
The fourth proportional to 511,791.84, 706,273.68 and 285,451.92 is: 393,924.17
Step by Step Solution
- Step 1: Write the proportion equation
511,791.84 : 706,273.68 = 285,451.92 : x - Step 2: Convert to fraction form
511,791.84/706,273.68 = 285,451.92/x - Step 3: Cross multiply
511,791.84x = 706,273.68 × 285,451.92 - Step 4: Simplify right side
511,791.84x = 201,607,178,001.47 - Step 5: Solve for x
x = 201,607,178,001.47/511,791.84 - Step 6: Final answer
x = 393,924.17
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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.