Finding the Fourth Proportional to 511,957.13, 706,501.14 and 285,602.63
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Solution
The fourth proportional to 511,957.13, 706,501.14 and 285,602.63 is: 394,131.79
Step by Step Solution
- Step 1: Write the proportion equation
511,957.13 : 706,501.14 = 285,602.63 : x - Step 2: Convert to fraction form
511,957.13/706,501.14 = 285,602.63/x - Step 3: Cross multiply
511,957.13x = 706,501.14 × 285,602.63 - Step 4: Simplify right side
511,957.13x = 201,778,579,078.48 - Step 5: Solve for x
x = 201,778,579,078.48/511,957.13 - Step 6: Final answer
x = 394,131.79
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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.