Finding the Fourth Proportional to 911,334.21, 1,257,651.75 and 503,427.63
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Solution
The fourth proportional to 911,334.21, 1,257,651.75 and 503,427.63 is: 694,735.95
Step by Step Solution
- Step 1: Write the proportion equation
911,334.21 : 1,257,651.75 = 503,427.63 : x - Step 2: Convert to fraction form
911,334.21/1,257,651.75 = 503,427.63/x - Step 3: Cross multiply
911,334.21x = 1,257,651.75 × 503,427.63 - Step 4: Simplify right side
911,334.21x = 633,136,639,867.85 - Step 5: Solve for x
x = 633,136,639,867.85/911,334.21 - Step 6: Final answer
x = 694,735.95
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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.