Finding the Fourth Proportional to 828,163.88, 1,142,855.19 and 460,638.53
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Solution
The fourth proportional to 828,163.88, 1,142,855.19 and 460,638.53 is: 635,675.07
Step by Step Solution
- Step 1: Write the proportion equation
828,163.88 : 1,142,855.19 = 460,638.53 : x - Step 2: Convert to fraction form
828,163.88/1,142,855.19 = 460,638.53/x - Step 3: Cross multiply
828,163.88x = 1,142,855.19 × 460,638.53 - Step 4: Simplify right side
828,163.88x = 526,443,129,010.20 - Step 5: Solve for x
x = 526,443,129,010.20/828,163.88 - Step 6: Final answer
x = 635,675.07
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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.