Finding the Fourth Proportional to 751,437.36, 1,126,630.92 and 278,061.12
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Solution
The fourth proportional to 751,437.36, 1,126,630.92 and 278,061.12 is: 416,897.37
Step by Step Solution
- Step 1: Write the proportion equation
751,437.36 : 1,126,630.92 = 278,061.12 : x - Step 2: Convert to fraction form
751,437.36/1,126,630.92 = 278,061.12/x - Step 3: Cross multiply
751,437.36x = 1,126,630.92 × 278,061.12 - Step 4: Simplify right side
751,437.36x = 313,272,255,441.83 - Step 5: Solve for x
x = 313,272,255,441.83/751,437.36 - Step 6: Final answer
x = 416,897.37
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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.