Finding the Fourth Proportional to 403,866.91, 603,568.56 and 380,532.84
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Solution
The fourth proportional to 403,866.91, 603,568.56 and 380,532.84 is: 568,696.40
Step by Step Solution
- Step 1: Write the proportion equation
403,866.91 : 603,568.56 = 380,532.84 : x - Step 2: Convert to fraction form
403,866.91/603,568.56 = 380,532.84/x - Step 3: Cross multiply
403,866.91x = 603,568.56 × 380,532.84 - Step 4: Simplify right side
403,866.91x = 229,677,657,435.13 - Step 5: Solve for x
x = 229,677,657,435.13/403,866.91 - Step 6: Final answer
x = 568,696.40
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.