Finding the Fourth Proportional to 797,786.74, 1,101,191.31 and 491,959.09
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Solution
The fourth proportional to 797,786.74, 1,101,191.31 and 491,959.09 is: 679,055.00
Step by Step Solution
- Step 1: Write the proportion equation
797,786.74 : 1,101,191.31 = 491,959.09 : x - Step 2: Convert to fraction form
797,786.74/1,101,191.31 = 491,959.09/x - Step 3: Cross multiply
797,786.74x = 1,101,191.31 × 491,959.09 - Step 4: Simplify right side
797,786.74x = 541,741,074,783.51 - Step 5: Solve for x
x = 541,741,074,783.51/797,786.74 - Step 6: Final answer
x = 679,055.00
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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.