Finding the Fourth Proportional to 683,660.13, 943,402.49 and 377,733.15
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Solution
The fourth proportional to 683,660.13, 943,402.49 and 377,733.15 is: 521,244.95
Step by Step Solution
- Step 1: Write the proportion equation
683,660.13 : 943,402.49 = 377,733.15 : x - Step 2: Convert to fraction form
683,660.13/943,402.49 = 377,733.15/x - Step 3: Cross multiply
683,660.13x = 943,402.49 × 377,733.15 - Step 4: Simplify right side
683,660.13x = 356,354,392,376.88 - Step 5: Solve for x
x = 356,354,392,376.88/683,660.13 - Step 6: Final answer
x = 521,244.95
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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.