Finding the Fourth Proportional to 763,452.24, 1,145,090.88 and 202,530.48
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Solution
The fourth proportional to 763,452.24, 1,145,090.88 and 202,530.48 is: 303,772.51
Step by Step Solution
- Step 1: Write the proportion equation
763,452.24 : 1,145,090.88 = 202,530.48 : x - Step 2: Convert to fraction form
763,452.24/1,145,090.88 = 202,530.48/x - Step 3: Cross multiply
763,452.24x = 1,145,090.88 × 202,530.48 - Step 4: Simplify right side
763,452.24x = 231,915,805,570.02 - Step 5: Solve for x
x = 231,915,805,570.02/763,452.24 - Step 6: Final answer
x = 303,772.51
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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.