Finding the Fourth Proportional to 747,849.51, 1,121,776.09 and 298,606.91
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Solution
The fourth proportional to 747,849.51, 1,121,776.09 and 298,606.91 is: 447,911.09
Step by Step Solution
- Step 1: Write the proportion equation
747,849.51 : 1,121,776.09 = 298,606.91 : x - Step 2: Convert to fraction form
747,849.51/1,121,776.09 = 298,606.91/x - Step 3: Cross multiply
747,849.51x = 1,121,776.09 × 298,606.91 - Step 4: Simplify right side
747,849.51x = 334,970,085,591.38 - Step 5: Solve for x
x = 334,970,085,591.38/747,849.51 - Step 6: Final answer
x = 447,911.09
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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.