Finding the Fourth Proportional to 747,703.84, 1,121,732.54 and 242,263.97
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Solution
The fourth proportional to 747,703.84, 1,121,732.54 and 242,263.97 is: 363,453.23
Step by Step Solution
- Step 1: Write the proportion equation
747,703.84 : 1,121,732.54 = 242,263.97 : x - Step 2: Convert to fraction form
747,703.84/1,121,732.54 = 242,263.97/x - Step 3: Cross multiply
747,703.84x = 1,121,732.54 × 242,263.97 - Step 4: Simplify right side
747,703.84x = 271,755,378,418.58 - Step 5: Solve for x
x = 271,755,378,418.58/747,703.84 - Step 6: Final answer
x = 363,453.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.