Finding the Fourth Proportional to 683,838.77, 943,716.35 and 377,934.98
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Solution
The fourth proportional to 683,838.77, 943,716.35 and 377,934.98 is: 521,560.69
Step by Step Solution
- Step 1: Write the proportion equation
683,838.77 : 943,716.35 = 377,934.98 : x - Step 2: Convert to fraction form
683,838.77/943,716.35 = 377,934.98/x - Step 3: Cross multiply
683,838.77x = 943,716.35 × 377,934.98 - Step 4: Simplify right side
683,838.77x = 356,663,416,089.18 - Step 5: Solve for x
x = 356,663,416,089.18/683,838.77 - Step 6: Final answer
x = 521,560.69
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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.