Finding the Fourth Proportional to 992,954.88, 1,370,236.80 and 540,247.68
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Solution
The fourth proportional to 992,954.88, 1,370,236.80 and 540,247.68 is: 745,519.53
Step by Step Solution
- Step 1: Write the proportion equation
992,954.88 : 1,370,236.80 = 540,247.68 : x - Step 2: Convert to fraction form
992,954.88/1,370,236.80 = 540,247.68/x - Step 3: Cross multiply
992,954.88x = 1,370,236.80 × 540,247.68 - Step 4: Simplify right side
992,954.88x = 740,267,252,250.62 - Step 5: Solve for x
x = 740,267,252,250.62/992,954.88 - Step 6: Final answer
x = 745,519.53
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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.