Finding the Fourth Proportional to 509,386.44, 702,912.15 and 294,540.42
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Solution
The fourth proportional to 509,386.44, 702,912.15 and 294,540.42 is: 406,441.99
Step by Step Solution
- Step 1: Write the proportion equation
509,386.44 : 702,912.15 = 294,540.42 : x - Step 2: Convert to fraction form
509,386.44/702,912.15 = 294,540.42/x - Step 3: Cross multiply
509,386.44x = 702,912.15 × 294,540.42 - Step 4: Simplify right side
509,386.44x = 207,036,039,884.10 - Step 5: Solve for x
x = 207,036,039,884.10/509,386.44 - Step 6: Final answer
x = 406,441.99
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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.