Finding the Fourth Proportional to 693,181.26, 956,495.49 and 387,219.81
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Solution
The fourth proportional to 693,181.26, 956,495.49 and 387,219.81 is: 534,310.47
Step by Step Solution
- Step 1: Write the proportion equation
693,181.26 : 956,495.49 = 387,219.81 : x - Step 2: Convert to fraction form
693,181.26/956,495.49 = 387,219.81/x - Step 3: Cross multiply
693,181.26x = 956,495.49 × 387,219.81 - Step 4: Simplify right side
693,181.26x = 370,374,001,903.66 - Step 5: Solve for x
x = 370,374,001,903.66/693,181.26 - Step 6: Final answer
x = 534,310.47
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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.