Finding the Fourth Proportional to 755,995.38, 1,043,273.16 and 416,463.63
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Solution
The fourth proportional to 755,995.38, 1,043,273.16 and 416,463.63 is: 574,719.55
Step by Step Solution
- Step 1: Write the proportion equation
755,995.38 : 1,043,273.16 = 416,463.63 : x - Step 2: Convert to fraction form
755,995.38/1,043,273.16 = 416,463.63/x - Step 3: Cross multiply
755,995.38x = 1,043,273.16 × 416,463.63 - Step 4: Simplify right side
755,995.38x = 434,485,319,996.49 - Step 5: Solve for x
x = 434,485,319,996.49/755,995.38 - Step 6: Final answer
x = 574,719.55
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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.