Finding the Fourth Proportional to 589,126.80, 881,357.40 and 511,107.60
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Solution
The fourth proportional to 589,126.80, 881,357.40 and 511,107.60 is: 764,637.54
Step by Step Solution
- Step 1: Write the proportion equation
589,126.80 : 881,357.40 = 511,107.60 : x - Step 2: Convert to fraction form
589,126.80/881,357.40 = 511,107.60/x - Step 3: Cross multiply
589,126.80x = 881,357.40 × 511,107.60 - Step 4: Simplify right side
589,126.80x = 450,468,465,456.24 - Step 5: Solve for x
x = 450,468,465,456.24/589,126.80 - Step 6: Final answer
x = 764,637.54
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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.