Finding the Fourth Proportional to 623,736.94, 860,707.46 and 351,717.88
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Solution
The fourth proportional to 623,736.94, 860,707.46 and 351,717.88 is: 485,342.75
Step by Step Solution
- Step 1: Write the proportion equation
623,736.94 : 860,707.46 = 351,717.88 : x - Step 2: Convert to fraction form
623,736.94/860,707.46 = 351,717.88/x - Step 3: Cross multiply
623,736.94x = 860,707.46 × 351,717.88 - Step 4: Simplify right side
623,736.94x = 302,726,201,858.91 - Step 5: Solve for x
x = 302,726,201,858.91/623,736.94 - Step 6: Final answer
x = 485,342.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.