Finding the Fourth Proportional to 664,008.51, 916,334.64 and 362,208.99
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Solution
The fourth proportional to 664,008.51, 916,334.64 and 362,208.99 is: 499,849.99
Step by Step Solution
- Step 1: Write the proportion equation
664,008.51 : 916,334.64 = 362,208.99 : x - Step 2: Convert to fraction form
664,008.51/916,334.64 = 362,208.99/x - Step 3: Cross multiply
664,008.51x = 916,334.64 × 362,208.99 - Step 4: Simplify right side
664,008.51x = 331,904,644,456.41 - Step 5: Solve for x
x = 331,904,644,456.41/664,008.51 - Step 6: Final answer
x = 499,849.99
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1.5x scale
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.