Finding the Fourth Proportional to 828,265.26, 1,142,990.87 and 460,740.59
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Solution
The fourth proportional to 828,265.26, 1,142,990.87 and 460,740.59 is: 635,813.56
Step by Step Solution
- Step 1: Write the proportion equation
828,265.26 : 1,142,990.87 = 460,740.59 : x - Step 2: Convert to fraction form
828,265.26/1,142,990.87 = 460,740.59/x - Step 3: Cross multiply
828,265.26x = 1,142,990.87 × 460,740.59 - Step 4: Simplify right side
828,265.26x = 526,622,284,075.97 - Step 5: Solve for x
x = 526,622,284,075.97/828,265.26 - Step 6: Final answer
x = 635,813.56
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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.