Finding the Fourth Proportional to 487,849.76, 731,885.79 and 263,205.98
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Solution
The fourth proportional to 487,849.76, 731,885.79 and 263,205.98 is: 394,868.94
Step by Step Solution
- Step 1: Write the proportion equation
487,849.76 : 731,885.79 = 263,205.98 : x - Step 2: Convert to fraction form
487,849.76/731,885.79 = 263,205.98/x - Step 3: Cross multiply
487,849.76x = 731,885.79 × 263,205.98 - Step 4: Simplify right side
487,849.76x = 192,636,716,605.02 - Step 5: Solve for x
x = 192,636,716,605.02/487,849.76 - Step 6: Final answer
x = 394,868.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.