Finding the Fourth Proportional to 769,853.07, 1,062,375.15 and 425,682.99
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Solution
The fourth proportional to 769,853.07, 1,062,375.15 and 425,682.99 is: 587,430.31
Step by Step Solution
- Step 1: Write the proportion equation
769,853.07 : 1,062,375.15 = 425,682.99 : x - Step 2: Convert to fraction form
769,853.07/1,062,375.15 = 425,682.99/x - Step 3: Cross multiply
769,853.07x = 1,062,375.15 × 425,682.99 - Step 4: Simplify right side
769,853.07x = 452,235,030,353.70 - Step 5: Solve for x
x = 452,235,030,353.70/769,853.07 - Step 6: Final answer
x = 587,430.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.