Finding the Fourth Proportional to 747,861.48, 1,121,794.08 and 298,618.92
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Solution
The fourth proportional to 747,861.48, 1,121,794.08 and 298,618.92 is: 447,929.12
Step by Step Solution
- Step 1: Write the proportion equation
747,861.48 : 1,121,794.08 = 298,618.92 : x - Step 2: Convert to fraction form
747,861.48/1,121,794.08 = 298,618.92/x - Step 3: Cross multiply
747,861.48x = 1,121,794.08 × 298,618.92 - Step 4: Simplify right side
747,861.48x = 334,988,936,631.99 - Step 5: Solve for x
x = 334,988,936,631.99/747,861.48 - Step 6: Final answer
x = 447,929.12
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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.