Finding the Fourth Proportional to 988,857.36, 1,364,614.92 and 559,221.84
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Solution
The fourth proportional to 988,857.36, 1,364,614.92 and 559,221.84 is: 771,721.48
Step by Step Solution
- Step 1: Write the proportion equation
988,857.36 : 1,364,614.92 = 559,221.84 : x - Step 2: Convert to fraction form
988,857.36/1,364,614.92 = 559,221.84/x - Step 3: Cross multiply
988,857.36x = 1,364,614.92 × 559,221.84 - Step 4: Simplify right side
988,857.36x = 763,122,466,453.85 - Step 5: Solve for x
x = 763,122,466,453.85/988,857.36 - Step 6: Final answer
x = 771,721.48
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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.