Finding the Fourth Proportional to 988,504.05, 1,364,425.61 and 575,138.09
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Solution
The fourth proportional to 988,504.05, 1,364,425.61 and 575,138.09 is: 793,859.30
Step by Step Solution
- Step 1: Write the proportion equation
988,504.05 : 1,364,425.61 = 575,138.09 : x - Step 2: Convert to fraction form
988,504.05/1,364,425.61 = 575,138.09/x - Step 3: Cross multiply
988,504.05x = 1,364,425.61 × 575,138.09 - Step 4: Simplify right side
988,504.05x = 784,733,139,817.86 - Step 5: Solve for x
x = 784,733,139,817.86/988,504.05 - Step 6: Final answer
x = 793,859.30
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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.