Finding the Fourth Proportional to 760,964.96, 1,049,839.47 and 434,296.12
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Solution
The fourth proportional to 760,964.96, 1,049,839.47 and 434,296.12 is: 599,161.89
Step by Step Solution
- Step 1: Write the proportion equation
760,964.96 : 1,049,839.47 = 434,296.12 : x - Step 2: Convert to fraction form
760,964.96/1,049,839.47 = 434,296.12/x - Step 3: Cross multiply
760,964.96x = 1,049,839.47 × 434,296.12 - Step 4: Simplify right side
760,964.96x = 455,941,205,819.26 - Step 5: Solve for x
x = 455,941,205,819.26/760,964.96 - Step 6: Final answer
x = 599,161.89
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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.