Finding the Fourth Proportional to 635,401.23, 953,102.19 and 398,909.99
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Solution
The fourth proportional to 635,401.23, 953,102.19 and 398,909.99 is: 598,365.19
Step by Step Solution
- Step 1: Write the proportion equation
635,401.23 : 953,102.19 = 398,909.99 : x - Step 2: Convert to fraction form
635,401.23/953,102.19 = 398,909.99/x - Step 3: Cross multiply
635,401.23x = 953,102.19 × 398,909.99 - Step 4: Simplify right side
635,401.23x = 380,201,978,321.82 - Step 5: Solve for x
x = 380,201,978,321.82/635,401.23 - Step 6: Final answer
x = 598,365.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.