Finding the Fourth Proportional to 869,561.99, 1,304,351.37 and 329,673.08
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Solution
The fourth proportional to 869,561.99, 1,304,351.37 and 329,673.08 is: 494,512.79
Step by Step Solution
- Step 1: Write the proportion equation
869,561.99 : 1,304,351.37 = 329,673.08 : x - Step 2: Convert to fraction form
869,561.99/1,304,351.37 = 329,673.08/x - Step 3: Cross multiply
869,561.99x = 1,304,351.37 × 329,673.08 - Step 4: Simplify right side
869,561.99x = 430,009,527,028.36 - Step 5: Solve for x
x = 430,009,527,028.36/869,561.99 - Step 6: Final answer
x = 494,512.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.