Finding the Fourth Proportional to 907,198.97, 1,251,934.70 and 493,737.31
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Solution
The fourth proportional to 907,198.97, 1,251,934.70 and 493,737.31 is: 681,357.55
Step by Step Solution
- Step 1: Write the proportion equation
907,198.97 : 1,251,934.70 = 493,737.31 : x - Step 2: Convert to fraction form
907,198.97/1,251,934.70 = 493,737.31/x - Step 3: Cross multiply
907,198.97x = 1,251,934.70 × 493,737.31 - Step 4: Simplify right side
907,198.97x = 618,126,871,073.66 - Step 5: Solve for x
x = 618,126,871,073.66/907,198.97 - Step 6: Final answer
x = 681,357.55
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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.