Finding the Fourth Proportional to 511,884.68, 706,415.63 and 282,456.74
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Solution
The fourth proportional to 511,884.68, 706,415.63 and 282,456.74 is: 389,798.45
Step by Step Solution
- Step 1: Write the proportion equation
511,884.68 : 706,415.63 = 282,456.74 : x - Step 2: Convert to fraction form
511,884.68/706,415.63 = 282,456.74/x - Step 3: Cross multiply
511,884.68x = 706,415.63 × 282,456.74 - Step 4: Simplify right side
511,884.68x = 199,531,853,108.91 - Step 5: Solve for x
x = 199,531,853,108.91/511,884.68 - Step 6: Final answer
x = 389,798.45
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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.