Finding the Fourth Proportional to 527,988.44, 727,919.18 and 419,452.92
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Solution
The fourth proportional to 527,988.44, 727,919.18 and 419,452.92 is: 578,285.06
Step by Step Solution
- Step 1: Write the proportion equation
527,988.44 : 727,919.18 = 419,452.92 : x - Step 2: Convert to fraction form
527,988.44/727,919.18 = 419,452.92/x - Step 3: Cross multiply
527,988.44x = 727,919.18 × 419,452.92 - Step 4: Simplify right side
527,988.44x = 305,327,825,575.01 - Step 5: Solve for x
x = 305,327,825,575.01/527,988.44 - Step 6: Final answer
x = 578,285.06
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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.