Finding the Fourth Proportional to 693,175.44, 956,474.25 and 391,362.96
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Solution
The fourth proportional to 693,175.44, 956,474.25 and 391,362.96 is: 540,019.99
Step by Step Solution
- Step 1: Write the proportion equation
693,175.44 : 956,474.25 = 391,362.96 : x - Step 2: Convert to fraction form
693,175.44/956,474.25 = 391,362.96/x - Step 3: Cross multiply
693,175.44x = 956,474.25 × 391,362.96 - Step 4: Simplify right side
693,175.44x = 374,328,593,643.78 - Step 5: Solve for x
x = 374,328,593,643.78/693,175.44 - Step 6: Final answer
x = 540,019.99
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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.