Finding the Fourth Proportional to 741,630.88, 1,111,786.56 and 268,210.99
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Solution
The fourth proportional to 741,630.88, 1,111,786.56 and 268,210.99 is: 402,077.88
Step by Step Solution
- Step 1: Write the proportion equation
741,630.88 : 1,111,786.56 = 268,210.99 : x - Step 2: Convert to fraction form
741,630.88/1,111,786.56 = 268,210.99/x - Step 3: Cross multiply
741,630.88x = 1,111,786.56 × 268,210.99 - Step 4: Simplify right side
741,630.88x = 298,193,373,926.29 - Step 5: Solve for x
x = 298,193,373,926.29/741,630.88 - Step 6: Final answer
x = 402,077.88
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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.