Finding the Fourth Proportional to 577,775.88, 797,441.04 and 387,121.68
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Solution
The fourth proportional to 577,775.88, 797,441.04 and 387,121.68 is: 534,301.84
Step by Step Solution
- Step 1: Write the proportion equation
577,775.88 : 797,441.04 = 387,121.68 : x - Step 2: Convert to fraction form
577,775.88/797,441.04 = 387,121.68/x - Step 3: Cross multiply
577,775.88x = 797,441.04 × 387,121.68 - Step 4: Simplify right side
577,775.88x = 308,706,715,105.75 - Step 5: Solve for x
x = 308,706,715,105.75/577,775.88 - Step 6: Final answer
x = 534,301.84
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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.