Finding the Fourth Proportional to 686,586.84, 1,029,627.45 and 237,192.36
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Solution
The fourth proportional to 686,586.84, 1,029,627.45 and 237,192.36 is: 355,701.20
Step by Step Solution
- Step 1: Write the proportion equation
686,586.84 : 1,029,627.45 = 237,192.36 : x - Step 2: Convert to fraction form
686,586.84/1,029,627.45 = 237,192.36/x - Step 3: Cross multiply
686,586.84x = 1,029,627.45 × 237,192.36 - Step 4: Simplify right side
686,586.84x = 244,219,764,786.28 - Step 5: Solve for x
x = 244,219,764,786.28/686,586.84 - Step 6: Final answer
x = 355,701.20
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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.