Finding the Fourth Proportional to 860,968.44, 1,291,450.50 and 410,323.32
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Solution
The fourth proportional to 860,968.44, 1,291,450.50 and 410,323.32 is: 615,483.95
Step by Step Solution
- Step 1: Write the proportion equation
860,968.44 : 1,291,450.50 = 410,323.32 : x - Step 2: Convert to fraction form
860,968.44/1,291,450.50 = 410,323.32/x - Step 3: Cross multiply
860,968.44x = 1,291,450.50 × 410,323.32 - Step 4: Simplify right side
860,968.44x = 529,912,256,775.66 - Step 5: Solve for x
x = 529,912,256,775.66/860,968.44 - Step 6: Final answer
x = 615,483.95
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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.