Finding the Fourth Proportional to 775,328.28, 1,069,796.19 and 452,976.12
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Solution
The fourth proportional to 775,328.28, 1,069,796.19 and 452,976.12 is: 625,015.42
Step by Step Solution
- Step 1: Write the proportion equation
775,328.28 : 1,069,796.19 = 452,976.12 : x - Step 2: Convert to fraction form
775,328.28/1,069,796.19 = 452,976.12/x - Step 3: Cross multiply
775,328.28x = 1,069,796.19 × 452,976.12 - Step 4: Simplify right side
775,328.28x = 484,592,127,336.98 - Step 5: Solve for x
x = 484,592,127,336.98/775,328.28 - Step 6: Final answer
x = 625,015.42
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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.