Finding the Fourth Proportional to 686,396.80, 1,029,732.48 and 237,134.08
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Solution
The fourth proportional to 686,396.80, 1,029,732.48 and 237,134.08 is: 355,748.55
Step by Step Solution
- Step 1: Write the proportion equation
686,396.80 : 1,029,732.48 = 237,134.08 : x - Step 2: Convert to fraction form
686,396.80/1,029,732.48 = 237,134.08/x - Step 3: Cross multiply
686,396.80x = 1,029,732.48 × 237,134.08 - Step 4: Simplify right side
686,396.80x = 244,184,664,290.92 - Step 5: Solve for x
x = 244,184,664,290.92/686,396.80 - Step 6: Final answer
x = 355,748.55
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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.