Finding the Fourth Proportional to 590,984.48, 815,437.68 and 349,145.84
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Solution
The fourth proportional to 590,984.48, 815,437.68 and 349,145.84 is: 481,749.83
Step by Step Solution
- Step 1: Write the proportion equation
590,984.48 : 815,437.68 = 349,145.84 : x - Step 2: Convert to fraction form
590,984.48/815,437.68 = 349,145.84/x - Step 3: Cross multiply
590,984.48x = 815,437.68 × 349,145.84 - Step 4: Simplify right side
590,984.48x = 284,706,673,751.25 - Step 5: Solve for x
x = 284,706,673,751.25/590,984.48 - Step 6: Final answer
x = 481,749.83
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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.