Finding the Fourth Proportional to 948,450.36, 1,308,861.52 and 518,730.49
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Solution
The fourth proportional to 948,450.36, 1,308,861.52 and 518,730.49 is: 715,848.09
Step by Step Solution
- Step 1: Write the proportion equation
948,450.36 : 1,308,861.52 = 518,730.49 : x - Step 2: Convert to fraction form
948,450.36/1,308,861.52 = 518,730.49/x - Step 3: Cross multiply
948,450.36x = 1,308,861.52 × 518,730.49 - Step 4: Simplify right side
948,450.36x = 678,946,373,697.36 - Step 5: Solve for x
x = 678,946,373,697.36/948,450.36 - Step 6: Final answer
x = 715,848.09
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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.