Finding the Fourth Proportional to 889,332.76, 1,227,277.82 and 481,434.49
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Solution
The fourth proportional to 889,332.76, 1,227,277.82 and 481,434.49 is: 664,378.84
Step by Step Solution
- Step 1: Write the proportion equation
889,332.76 : 1,227,277.82 = 481,434.49 : x - Step 2: Convert to fraction form
889,332.76/1,227,277.82 = 481,434.49/x - Step 3: Cross multiply
889,332.76x = 1,227,277.82 × 481,434.49 - Step 4: Simplify right side
889,332.76x = 590,853,865,884.65 - Step 5: Solve for x
x = 590,853,865,884.65/889,332.76 - Step 6: Final answer
x = 664,378.84
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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.