Finding the Fourth Proportional to 693,260.62, 956,604.43 and 387,299.02
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Solution
The fourth proportional to 693,260.62, 956,604.43 and 387,299.02 is: 534,419.45
Step by Step Solution
- Step 1: Write the proportion equation
693,260.62 : 956,604.43 = 387,299.02 : x - Step 2: Convert to fraction form
693,260.62/956,604.43 = 387,299.02/x - Step 3: Cross multiply
693,260.62x = 956,604.43 × 387,299.02 - Step 4: Simplify right side
693,260.62x = 370,491,958,152.91 - Step 5: Solve for x
x = 370,491,958,152.91/693,260.62 - Step 6: Final answer
x = 534,419.45
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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.