Finding the Fourth Proportional to 747,680.84, 1,121,698.04 and 242,240.99
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Solution
The fourth proportional to 747,680.84, 1,121,698.04 and 242,240.99 is: 363,418.76
Step by Step Solution
- Step 1: Write the proportion equation
747,680.84 : 1,121,698.04 = 242,240.99 : x - Step 2: Convert to fraction form
747,680.84/1,121,698.04 = 242,240.99/x - Step 3: Cross multiply
747,680.84x = 1,121,698.04 × 242,240.99 - Step 4: Simplify right side
747,680.84x = 271,721,245,283.70 - Step 5: Solve for x
x = 271,721,245,283.70/747,680.84 - Step 6: Final answer
x = 363,418.76
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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.