Finding the Fourth Proportional to 725,967.36, 1,001,808 and 403,678.08
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Solution
The fourth proportional to 725,967.36, 1,001,808 and 403,678.08 is: 557,060.76
Step by Step Solution
- Step 1: Write the proportion equation
725,967.36 : 1,001,808 = 403,678.08 : x - Step 2: Convert to fraction form
725,967.36/1,001,808 = 403,678.08/x - Step 3: Cross multiply
725,967.36x = 1,001,808 × 403,678.08 - Step 4: Simplify right side
725,967.36x = 404,407,929,968.64 - Step 5: Solve for x
x = 404,407,929,968.64/725,967.36 - Step 6: Final answer
x = 557,060.76
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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.