Finding the Fourth Proportional to 769,656.24, 1,154,672.24 and 542,394.99
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Solution
The fourth proportional to 769,656.24, 1,154,672.24 and 542,394.99 is: 813,724.88
Step by Step Solution
- Step 1: Write the proportion equation
769,656.24 : 1,154,672.24 = 542,394.99 : x - Step 2: Convert to fraction form
769,656.24/1,154,672.24 = 542,394.99/x - Step 3: Cross multiply
769,656.24x = 1,154,672.24 × 542,394.99 - Step 4: Simplify right side
769,656.24x = 626,288,435,356.10 - Step 5: Solve for x
x = 626,288,435,356.10/769,656.24 - Step 6: Final answer
x = 813,724.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.