Finding the Fourth Proportional to 905,679.02, 1,358,435.21 and 306,571.70
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Solution
The fourth proportional to 905,679.02, 1,358,435.21 and 306,571.70 is: 459,829.34
Step by Step Solution
- Step 1: Write the proportion equation
905,679.02 : 1,358,435.21 = 306,571.70 : x - Step 2: Convert to fraction form
905,679.02/1,358,435.21 = 306,571.70/x - Step 3: Cross multiply
905,679.02x = 1,358,435.21 × 306,571.70 - Step 4: Simplify right side
905,679.02x = 416,457,783,344.52 - Step 5: Solve for x
x = 416,457,783,344.52/905,679.02 - Step 6: Final answer
x = 459,829.34
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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.