Finding the Fourth Proportional to 771,081.80, 1,064,092.74 and 431,550.05
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Solution
The fourth proportional to 771,081.80, 1,064,092.74 and 431,550.05 is: 595,538.99
Step by Step Solution
- Step 1: Write the proportion equation
771,081.80 : 1,064,092.74 = 431,550.05 : x - Step 2: Convert to fraction form
771,081.80/1,064,092.74 = 431,550.05/x - Step 3: Cross multiply
771,081.80x = 1,064,092.74 × 431,550.05 - Step 4: Simplify right side
771,081.80x = 459,209,275,151.64 - Step 5: Solve for x
x = 459,209,275,151.64/771,081.80 - Step 6: Final answer
x = 595,538.99
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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.