Finding the Fourth Proportional to 598,396.12, 825,782.72 and 340,273.09
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Solution
The fourth proportional to 598,396.12, 825,782.72 and 340,273.09 is: 469,574.62
Step by Step Solution
- Step 1: Write the proportion equation
598,396.12 : 825,782.72 = 340,273.09 : x - Step 2: Convert to fraction form
598,396.12/825,782.72 = 340,273.09/x - Step 3: Cross multiply
598,396.12x = 825,782.72 × 340,273.09 - Step 4: Simplify right side
598,396.12x = 280,991,634,642.13 - Step 5: Solve for x
x = 280,991,634,642.13/598,396.12 - Step 6: Final answer
x = 469,574.62
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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.