Finding the Fourth Proportional to 892,968.18, 1,232,260.72 and 530,382.41
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Solution
The fourth proportional to 892,968.18, 1,232,260.72 and 530,382.41 is: 731,906.72
Step by Step Solution
- Step 1: Write the proportion equation
892,968.18 : 1,232,260.72 = 530,382.41 : x - Step 2: Convert to fraction form
892,968.18/1,232,260.72 = 530,382.41/x - Step 3: Cross multiply
892,968.18x = 1,232,260.72 × 530,382.41 - Step 4: Simplify right side
892,968.18x = 653,569,410,421.94 - Step 5: Solve for x
x = 653,569,410,421.94/892,968.18 - Step 6: Final answer
x = 731,906.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.