Finding the Fourth Proportional to 821,567.26, 1,232,506.40 and 378,335.26
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Solution
The fourth proportional to 821,567.26, 1,232,506.40 and 378,335.26 is: 567,574.50
Step by Step Solution
- Step 1: Write the proportion equation
821,567.26 : 1,232,506.40 = 378,335.26 : x - Step 2: Convert to fraction form
821,567.26/1,232,506.40 = 378,335.26/x - Step 3: Cross multiply
821,567.26x = 1,232,506.40 × 378,335.26 - Step 4: Simplify right side
821,567.26x = 466,300,629,295.66 - Step 5: Solve for x
x = 466,300,629,295.66/821,567.26 - Step 6: Final answer
x = 567,574.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.