Finding the Fourth Proportional to 872,239.44, 1,203,514 and 509,593.26
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Solution
The fourth proportional to 872,239.44, 1,203,514 and 509,593.26 is: 703,135.62
Step by Step Solution
- Step 1: Write the proportion equation
872,239.44 : 1,203,514 = 509,593.26 : x - Step 2: Convert to fraction form
872,239.44/1,203,514 = 509,593.26/x - Step 3: Cross multiply
872,239.44x = 1,203,514 × 509,593.26 - Step 4: Simplify right side
872,239.44x = 613,302,622,715.64 - Step 5: Solve for x
x = 613,302,622,715.64/872,239.44 - Step 6: Final answer
x = 703,135.62
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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.