Finding the Fourth Proportional to 857,113.75, 1,182,577.57 and 675,261.21
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Solution
The fourth proportional to 857,113.75, 1,182,577.57 and 675,261.21 is: 931,671.86
Step by Step Solution
- Step 1: Write the proportion equation
857,113.75 : 1,182,577.57 = 675,261.21 : x - Step 2: Convert to fraction form
857,113.75/1,182,577.57 = 675,261.21/x - Step 3: Cross multiply
857,113.75x = 1,182,577.57 × 675,261.21 - Step 4: Simplify right side
857,113.75x = 798,548,760,729.92 - Step 5: Solve for x
x = 798,548,760,729.92/857,113.75 - Step 6: Final answer
x = 931,671.86
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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.