Finding the Fourth Proportional to 508,899.36, 702,231.41 and 294,034.82
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Solution
The fourth proportional to 508,899.36, 702,231.41 and 294,034.82 is: 405,739.32
Step by Step Solution
- Step 1: Write the proportion equation
508,899.36 : 702,231.41 = 294,034.82 : x - Step 2: Convert to fraction form
508,899.36/702,231.41 = 294,034.82/x - Step 3: Cross multiply
508,899.36x = 702,231.41 × 294,034.82 - Step 4: Simplify right side
508,899.36x = 206,480,481,807.68 - Step 5: Solve for x
x = 206,480,481,807.68/508,899.36 - Step 6: Final answer
x = 405,739.32
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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.