Finding the Fourth Proportional to 755,623.36, 1,042,767.84 and 416,092.96
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Solution
The fourth proportional to 755,623.36, 1,042,767.84 and 416,092.96 is: 574,212.47
Step by Step Solution
- Step 1: Write the proportion equation
755,623.36 : 1,042,767.84 = 416,092.96 : x - Step 2: Convert to fraction form
755,623.36/1,042,767.84 = 416,092.96/x - Step 3: Cross multiply
755,623.36x = 1,042,767.84 × 416,092.96 - Step 4: Simplify right side
755,623.36x = 433,888,357,138.41 - Step 5: Solve for x
x = 433,888,357,138.41/755,623.36 - Step 6: Final answer
x = 574,212.47
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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.