Finding the Fourth Proportional to 1,016,334.88, 1,402,544.14 and 557,453.18
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Solution
The fourth proportional to 1,016,334.88, 1,402,544.14 and 557,453.18 is: 769,286.49
Step by Step Solution
- Step 1: Write the proportion equation
1,016,334.88 : 1,402,544.14 = 557,453.18 : x - Step 2: Convert to fraction form
1,016,334.88/1,402,544.14 = 557,453.18/x - Step 3: Cross multiply
1,016,334.88x = 1,402,544.14 × 557,453.18 - Step 4: Simplify right side
1,016,334.88x = 781,852,690,933.37 - Step 5: Solve for x
x = 781,852,690,933.37/1,016,334.88 - Step 6: Final answer
x = 769,286.49
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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.