Finding the Fourth Proportional to 769,635.31, 1,062,089.80 and 425,479.99
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Solution
The fourth proportional to 769,635.31, 1,062,089.80 and 425,479.99 is: 587,158.56
Step by Step Solution
- Step 1: Write the proportion equation
769,635.31 : 1,062,089.80 = 425,479.99 : x - Step 2: Convert to fraction form
769,635.31/1,062,089.80 = 425,479.99/x - Step 3: Cross multiply
769,635.31x = 1,062,089.80 × 425,479.99 - Step 4: Simplify right side
769,635.31x = 451,897,957,483.10 - Step 5: Solve for x
x = 451,897,957,483.10/769,635.31 - Step 6: Final answer
x = 587,158.56
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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.