Finding the Fourth Proportional to 725,859.31, 1,001,680.68 and 403,566.79
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Solution
The fourth proportional to 725,859.31, 1,001,680.68 and 403,566.79 is: 556,919.30
Step by Step Solution
- Step 1: Write the proportion equation
725,859.31 : 1,001,680.68 = 403,566.79 : x - Step 2: Convert to fraction form
725,859.31/1,001,680.68 = 403,566.79/x - Step 3: Cross multiply
725,859.31x = 1,001,680.68 × 403,566.79 - Step 4: Simplify right side
725,859.31x = 404,245,056,632.62 - Step 5: Solve for x
x = 404,245,056,632.62/725,859.31 - Step 6: Final answer
x = 556,919.30
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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.