Finding the Fourth Proportional to 511,985.22, 706,534.65 and 282,544.62
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Solution
The fourth proportional to 511,985.22, 706,534.65 and 282,544.62 is: 389,908.84
Step by Step Solution
- Step 1: Write the proportion equation
511,985.22 : 706,534.65 = 282,544.62 : x - Step 2: Convert to fraction form
511,985.22/706,534.65 = 282,544.62/x - Step 3: Cross multiply
511,985.22x = 706,534.65 × 282,544.62 - Step 4: Simplify right side
511,985.22x = 199,627,564,201.08 - Step 5: Solve for x
x = 199,627,564,201.08/511,985.22 - Step 6: Final answer
x = 389,908.84
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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.