Finding the Fourth Proportional to 860,801.93, 1,291,349.94 and 355,086.44
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Solution
The fourth proportional to 860,801.93, 1,291,349.94 and 355,086.44 is: 532,690.32
Step by Step Solution
- Step 1: Write the proportion equation
860,801.93 : 1,291,349.94 = 355,086.44 : x - Step 2: Convert to fraction form
860,801.93/1,291,349.94 = 355,086.44/x - Step 3: Cross multiply
860,801.93x = 1,291,349.94 × 355,086.44 - Step 4: Simplify right side
860,801.93x = 458,540,856,217.19 - Step 5: Solve for x
x = 458,540,856,217.19/860,801.93 - Step 6: Final answer
x = 532,690.32
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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.