Finding the Fourth Proportional to 769,788.79, 1,062,265.68 and 425,604.82
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Solution
The fourth proportional to 769,788.79, 1,062,265.68 and 425,604.82 is: 587,310.96
Step by Step Solution
- Step 1: Write the proportion equation
769,788.79 : 1,062,265.68 = 425,604.82 : x - Step 2: Convert to fraction form
769,788.79/1,062,265.68 = 425,604.82/x - Step 3: Cross multiply
769,788.79x = 1,062,265.68 × 425,604.82 - Step 4: Simplify right side
769,788.79x = 452,105,393,528.58 - Step 5: Solve for x
x = 452,105,393,528.58/769,788.79 - Step 6: Final answer
x = 587,310.96
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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.