Finding the Fourth Proportional to 486,834.94, 729,599.67 and 378,894.68
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Solution
The fourth proportional to 486,834.94, 729,599.67 and 378,894.68 is: 567,834.00
Step by Step Solution
- Step 1: Write the proportion equation
486,834.94 : 729,599.67 = 378,894.68 : x - Step 2: Convert to fraction form
486,834.94/729,599.67 = 378,894.68/x - Step 3: Cross multiply
486,834.94x = 729,599.67 × 378,894.68 - Step 4: Simplify right side
486,834.94x = 276,441,432,580.76 - Step 5: Solve for x
x = 276,441,432,580.76/486,834.94 - Step 6: Final answer
x = 567,834.00
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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.