Finding the Fourth Proportional to 741,629.88, 1,111,785.06 and 268,209.99
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Solution
The fourth proportional to 741,629.88, 1,111,785.06 and 268,209.99 is: 402,076.38
Step by Step Solution
- Step 1: Write the proportion equation
741,629.88 : 1,111,785.06 = 268,209.99 : x - Step 2: Convert to fraction form
741,629.88/1,111,785.06 = 268,209.99/x - Step 3: Cross multiply
741,629.88x = 1,111,785.06 × 268,209.99 - Step 4: Simplify right side
741,629.88x = 298,191,859,824.75 - Step 5: Solve for x
x = 298,191,859,824.75/741,629.88 - Step 6: Final answer
x = 402,076.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.