Finding the Fourth Proportional to 659,655.99, 910,327.02 and 357,849.99
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Solution
The fourth proportional to 659,655.99, 910,327.02 and 357,849.99 is: 493,833.94
Step by Step Solution
- Step 1: Write the proportion equation
659,655.99 : 910,327.02 = 357,849.99 : x - Step 2: Convert to fraction form
659,655.99/910,327.02 = 357,849.99/x - Step 3: Cross multiply
659,655.99x = 910,327.02 × 357,849.99 - Step 4: Simplify right side
659,655.99x = 325,760,515,003.73 - Step 5: Solve for x
x = 325,760,515,003.73/659,655.99 - Step 6: Final answer
x = 493,833.94
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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.