Finding the Fourth Proportional to 916,986.73, 1,375,037.67 and 384,364.75
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Solution
The fourth proportional to 916,986.73, 1,375,037.67 and 384,364.75 is: 576,361.68
Step by Step Solution
- Step 1: Write the proportion equation
916,986.73 : 1,375,037.67 = 384,364.75 : x - Step 2: Convert to fraction form
916,986.73/1,375,037.67 = 384,364.75/x - Step 3: Cross multiply
916,986.73x = 1,375,037.67 × 384,364.75 - Step 4: Simplify right side
916,986.73x = 528,516,010,270.13 - Step 5: Solve for x
x = 528,516,010,270.13/916,986.73 - Step 6: Final answer
x = 576,361.68
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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.