Finding the Fourth Proportional to 780,434.84, 1,170,651.98 and 219,469.32
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Solution
The fourth proportional to 780,434.84, 1,170,651.98 and 219,469.32 is: 329,203.90
Step by Step Solution
- Step 1: Write the proportion equation
780,434.84 : 1,170,651.98 = 219,469.32 : x - Step 2: Convert to fraction form
780,434.84/1,170,651.98 = 219,469.32/x - Step 3: Cross multiply
780,434.84x = 1,170,651.98 × 219,469.32 - Step 4: Simplify right side
780,434.84x = 256,922,194,007.25 - Step 5: Solve for x
x = 256,922,194,007.25/780,434.84 - Step 6: Final answer
x = 329,203.90
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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.