Finding the Fourth Proportional to 681,566.02, 940,561.12 and 395,252.08
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Solution
The fourth proportional to 681,566.02, 940,561.12 and 395,252.08 is: 545,447.88
Step by Step Solution
- Step 1: Write the proportion equation
681,566.02 : 940,561.12 = 395,252.08 : x - Step 2: Convert to fraction form
681,566.02/940,561.12 = 395,252.08/x - Step 3: Cross multiply
681,566.02x = 940,561.12 × 395,252.08 - Step 4: Simplify right side
681,566.02x = 371,758,739,047.13 - Step 5: Solve for x
x = 371,758,739,047.13/681,566.02 - Step 6: Final answer
x = 545,447.88
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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.