Finding the Fourth Proportional to 852,349.65, 1,278,732.73 and 283,729.65
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Solution
The fourth proportional to 852,349.65, 1,278,732.73 and 283,729.65 is: 425,663.80
Step by Step Solution
- Step 1: Write the proportion equation
852,349.65 : 1,278,732.73 = 283,729.65 : x - Step 2: Convert to fraction form
852,349.65/1,278,732.73 = 283,729.65/x - Step 3: Cross multiply
852,349.65x = 1,278,732.73 × 283,729.65 - Step 4: Simplify right side
852,349.65x = 362,814,389,926.45 - Step 5: Solve for x
x = 362,814,389,926.45/852,349.65 - Step 6: Final answer
x = 425,663.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.