Finding the Fourth Proportional to 494,618.33, 682,646.64 and 313,347.08
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Solution
The fourth proportional to 494,618.33, 682,646.64 and 313,347.08 is: 432,465.43
Step by Step Solution
- Step 1: Write the proportion equation
494,618.33 : 682,646.64 = 313,347.08 : x - Step 2: Convert to fraction form
494,618.33/682,646.64 = 313,347.08/x - Step 3: Cross multiply
494,618.33x = 682,646.64 × 313,347.08 - Step 4: Simplify right side
494,618.33x = 213,905,331,847.38 - Step 5: Solve for x
x = 213,905,331,847.38/494,618.33 - Step 6: Final answer
x = 432,465.43
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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.