Finding the Fourth Proportional to 745,771.12, 1,029,165.88 and 406,232.08
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Solution
The fourth proportional to 745,771.12, 1,029,165.88 and 406,232.08 is: 560,601.22
Step by Step Solution
- Step 1: Write the proportion equation
745,771.12 : 1,029,165.88 = 406,232.08 : x - Step 2: Convert to fraction form
745,771.12/1,029,165.88 = 406,232.08/x - Step 3: Cross multiply
745,771.12x = 1,029,165.88 × 406,232.08 - Step 4: Simplify right side
745,771.12x = 418,080,196,097.43 - Step 5: Solve for x
x = 418,080,196,097.43/745,771.12 - Step 6: Final answer
x = 560,601.22
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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.