Finding the Fourth Proportional to 654,107.28, 902,646.99 and 363,717.42
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Solution
The fourth proportional to 654,107.28, 902,646.99 and 363,717.42 is: 501,918.33
Step by Step Solution
- Step 1: Write the proportion equation
654,107.28 : 902,646.99 = 363,717.42 : x - Step 2: Convert to fraction form
654,107.28/902,646.99 = 363,717.42/x - Step 3: Cross multiply
654,107.28x = 902,646.99 × 363,717.42 - Step 4: Simplify right side
654,107.28x = 328,308,434,373.57 - Step 5: Solve for x
x = 328,308,434,373.57/654,107.28 - Step 6: Final answer
x = 501,918.33
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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.