Finding the Fourth Proportional to 460,493.48, 691,211.37 and 380,275.94
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Solution
The fourth proportional to 460,493.48, 691,211.37 and 380,275.94 is: 570,802.99
Step by Step Solution
- Step 1: Write the proportion equation
460,493.48 : 691,211.37 = 380,275.94 : x - Step 2: Convert to fraction form
460,493.48/691,211.37 = 380,275.94/x - Step 3: Cross multiply
460,493.48x = 691,211.37 × 380,275.94 - Step 4: Simplify right side
460,493.48x = 262,851,053,465.44 - Step 5: Solve for x
x = 262,851,053,465.44/460,493.48 - Step 6: Final answer
x = 570,802.99
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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.