Finding the Fourth Proportional to 914,703.75, 1,261,580.38 and 624,548.70
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Solution
The fourth proportional to 914,703.75, 1,261,580.38 and 624,548.70 is: 861,391.88
Step by Step Solution
- Step 1: Write the proportion equation
914,703.75 : 1,261,580.38 = 624,548.70 : x - Step 2: Convert to fraction form
914,703.75/1,261,580.38 = 624,548.70/x - Step 3: Cross multiply
914,703.75x = 1,261,580.38 × 624,548.70 - Step 4: Simplify right side
914,703.75x = 787,918,384,713.13 - Step 5: Solve for x
x = 787,918,384,713.13/914,703.75 - Step 6: Final answer
x = 861,391.88
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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.