Finding the Fourth Proportional to 850,742.45, 1,276,645.74 and 345,303.42
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Solution
The fourth proportional to 850,742.45, 1,276,645.74 and 345,303.42 is: 518,171.09
Step by Step Solution
- Step 1: Write the proportion equation
850,742.45 : 1,276,645.74 = 345,303.42 : x - Step 2: Convert to fraction form
850,742.45/1,276,645.74 = 345,303.42/x - Step 3: Cross multiply
850,742.45x = 1,276,645.74 × 345,303.42 - Step 4: Simplify right side
850,742.45x = 440,830,140,150.43 - Step 5: Solve for x
x = 440,830,140,150.43/850,742.45 - Step 6: Final answer
x = 518,171.09
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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.