Finding the Fourth Proportional to 775,574.80, 1,163,388.12 and 214,562.32
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Solution
The fourth proportional to 775,574.80, 1,163,388.12 and 214,562.32 is: 321,850.65
Step by Step Solution
- Step 1: Write the proportion equation
775,574.80 : 1,163,388.12 = 214,562.32 : x - Step 2: Convert to fraction form
775,574.80/1,163,388.12 = 214,562.32/x - Step 3: Cross multiply
775,574.80x = 1,163,388.12 × 214,562.32 - Step 4: Simplify right side
775,574.80x = 249,619,254,087.64 - Step 5: Solve for x
x = 249,619,254,087.64/775,574.80 - Step 6: Final answer
x = 321,850.65
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1.5x scale
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.