Finding the Fourth Proportional to 560,486.97, 773,489.11 and 318,804.37
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Solution
The fourth proportional to 560,486.97, 773,489.11 and 318,804.37 is: 439,959.75
Step by Step Solution
- Step 1: Write the proportion equation
560,486.97 : 773,489.11 = 318,804.37 : x - Step 2: Convert to fraction form
560,486.97/773,489.11 = 318,804.37/x - Step 3: Cross multiply
560,486.97x = 773,489.11 × 318,804.37 - Step 4: Simplify right side
560,486.97x = 246,591,708,415.41 - Step 5: Solve for x
x = 246,591,708,415.41/560,486.97 - Step 6: Final answer
x = 439,959.75
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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.