Finding the Fourth Proportional to 775,247.98, 1,069,927.46 and 444,135.38
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Solution
The fourth proportional to 775,247.98, 1,069,927.46 and 444,135.38 is: 612,955.66
Step by Step Solution
- Step 1: Write the proportion equation
775,247.98 : 1,069,927.46 = 444,135.38 : x - Step 2: Convert to fraction form
775,247.98/1,069,927.46 = 444,135.38/x - Step 3: Cross multiply
775,247.98x = 1,069,927.46 × 444,135.38 - Step 4: Simplify right side
775,247.98x = 475,192,639,019.54 - Step 5: Solve for x
x = 475,192,639,019.54/775,247.98 - Step 6: Final answer
x = 612,955.66
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1.5x scale
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.