Finding the Fourth Proportional to 681,776.81, 940,858.19 and 375,864.26
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Solution
The fourth proportional to 681,776.81, 940,858.19 and 375,864.26 is: 518,696.09
Step by Step Solution
- Step 1: Write the proportion equation
681,776.81 : 940,858.19 = 375,864.26 : x - Step 2: Convert to fraction form
681,776.81/940,858.19 = 375,864.26/x - Step 3: Cross multiply
681,776.81x = 940,858.19 × 375,864.26 - Step 4: Simplify right side
681,776.81x = 353,634,963,584.66 - Step 5: Solve for x
x = 353,634,963,584.66/681,776.81 - Step 6: Final answer
x = 518,696.09
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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.