Finding the Fourth Proportional to 767,120.21, 1,059,079.98 and 682,002.17
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Solution
The fourth proportional to 767,120.21, 1,059,079.98 and 682,002.17 is: 941,566.70
Step by Step Solution
- Step 1: Write the proportion equation
767,120.21 : 1,059,079.98 = 682,002.17 : x - Step 2: Convert to fraction form
767,120.21/1,059,079.98 = 682,002.17/x - Step 3: Cross multiply
767,120.21x = 1,059,079.98 × 682,002.17 - Step 4: Simplify right side
767,120.21x = 722,294,844,563.56 - Step 5: Solve for x
x = 722,294,844,563.56/767,120.21 - Step 6: Final answer
x = 941,566.70
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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.