Finding the Fourth Proportional to 768,893.46, 1,153,586.97 and 369,563.19
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Solution
The fourth proportional to 768,893.46, 1,153,586.97 and 369,563.19 is: 554,463.40
Step by Step Solution
- Step 1: Write the proportion equation
768,893.46 : 1,153,586.97 = 369,563.19 : x - Step 2: Convert to fraction form
768,893.46/1,153,586.97 = 369,563.19/x - Step 3: Cross multiply
768,893.46x = 1,153,586.97 × 369,563.19 - Step 4: Simplify right side
768,893.46x = 426,323,280,575.63 - Step 5: Solve for x
x = 426,323,280,575.63/768,893.46 - Step 6: Final answer
x = 554,463.40
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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.