Finding the Fourth Proportional to 740,093.35, 1,021,348.73 and 449,606.09
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Solution
The fourth proportional to 740,093.35, 1,021,348.73 and 449,606.09 is: 620,468.49
Step by Step Solution
- Step 1: Write the proportion equation
740,093.35 : 1,021,348.73 = 449,606.09 : x - Step 2: Convert to fraction form
740,093.35/1,021,348.73 = 449,606.09/x - Step 3: Cross multiply
740,093.35x = 1,021,348.73 × 449,606.09 - Step 4: Simplify right side
740,093.35x = 459,204,601,666.99 - Step 5: Solve for x
x = 459,204,601,666.99/740,093.35 - Step 6: Final answer
x = 620,468.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.