Finding the Fourth Proportional to 512,394.72, 769,060.80 and 259,849.53
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Solution
The fourth proportional to 512,394.72, 769,060.80 and 259,849.53 is: 390,012.00
Step by Step Solution
- Step 1: Write the proportion equation
512,394.72 : 769,060.80 = 259,849.53 : x - Step 2: Convert to fraction form
512,394.72/769,060.80 = 259,849.53/x - Step 3: Cross multiply
512,394.72x = 769,060.80 × 259,849.53 - Step 4: Simplify right side
512,394.72x = 199,840,087,421.42 - Step 5: Solve for x
x = 199,840,087,421.42/512,394.72 - Step 6: Final answer
x = 390,012.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.