Finding the Fourth Proportional to 725,782.62, 1,001,523.27 and 403,473.09
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Solution
The fourth proportional to 725,782.62, 1,001,523.27 and 403,473.09 is: 556,761.32
Step by Step Solution
- Step 1: Write the proportion equation
725,782.62 : 1,001,523.27 = 403,473.09 : x - Step 2: Convert to fraction form
725,782.62/1,001,523.27 = 403,473.09/x - Step 3: Cross multiply
725,782.62x = 1,001,523.27 × 403,473.09 - Step 4: Simplify right side
725,782.62x = 404,087,688,453.80 - Step 5: Solve for x
x = 404,087,688,453.80/725,782.62 - Step 6: Final answer
x = 556,761.32
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1.5x scale
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.