Finding the Fourth Proportional to 910,687.57, 1,256,723.82 and 502,781.99
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Solution
The fourth proportional to 910,687.57, 1,256,723.82 and 502,781.99 is: 693,825.33
Step by Step Solution
- Step 1: Write the proportion equation
910,687.57 : 1,256,723.82 = 502,781.99 : x - Step 2: Convert to fraction form
910,687.57/1,256,723.82 = 502,781.99/x - Step 3: Cross multiply
910,687.57x = 1,256,723.82 × 502,781.99 - Step 4: Simplify right side
910,687.57x = 631,858,103,100.00 - Step 5: Solve for x
x = 631,858,103,100.00/910,687.57 - Step 6: Final answer
x = 693,825.33
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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.