Finding the Fourth Proportional to 1,007,600.11, 1,390,497.03 and 548,716.68
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Solution
The fourth proportional to 1,007,600.11, 1,390,497.03 and 548,716.68 is: 757,233.86
Step by Step Solution
- Step 1: Write the proportion equation
1,007,600.11 : 1,390,497.03 = 548,716.68 : x - Step 2: Convert to fraction form
1,007,600.11/1,390,497.03 = 548,716.68/x - Step 3: Cross multiply
1,007,600.11x = 1,390,497.03 × 548,716.68 - Step 4: Simplify right side
1,007,600.11x = 762,988,913,851.46 - Step 5: Solve for x
x = 762,988,913,851.46/1,007,600.11 - Step 6: Final answer
x = 757,233.86
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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.