Finding the Fourth Proportional to 907,735.62, 1,252,625.56 and 499,759.99
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Solution
The fourth proportional to 907,735.62, 1,252,625.56 and 499,759.99 is: 689,641.47
Step by Step Solution
- Step 1: Write the proportion equation
907,735.62 : 1,252,625.56 = 499,759.99 : x - Step 2: Convert to fraction form
907,735.62/1,252,625.56 = 499,759.99/x - Step 3: Cross multiply
907,735.62x = 1,252,625.56 × 499,759.99 - Step 4: Simplify right side
907,735.62x = 626,012,132,958.38 - Step 5: Solve for x
x = 626,012,132,958.38/907,735.62 - Step 6: Final answer
x = 689,641.47
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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.