Finding the Fourth Proportional to 860,804.92, 1,291,354.44 and 355,089.44
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Solution
The fourth proportional to 860,804.92, 1,291,354.44 and 355,089.44 is: 532,694.82
Step by Step Solution
- Step 1: Write the proportion equation
860,804.92 : 1,291,354.44 = 355,089.44 : x - Step 2: Convert to fraction form
860,804.92/1,291,354.44 = 355,089.44/x - Step 3: Cross multiply
860,804.92x = 1,291,354.44 × 355,089.44 - Step 4: Simplify right side
860,804.92x = 458,546,324,941.11 - Step 5: Solve for x
x = 458,546,324,941.11/860,804.92 - Step 6: Final answer
x = 532,694.82
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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.