Finding the Fourth Proportional to 879,273.69, 1,318,221.51 and 347,192.99
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Solution
The fourth proportional to 879,273.69, 1,318,221.51 and 347,192.99 is: 520,517.41
Step by Step Solution
- Step 1: Write the proportion equation
879,273.69 : 1,318,221.51 = 347,192.99 : x - Step 2: Convert to fraction form
879,273.69/1,318,221.51 = 347,192.99/x - Step 3: Cross multiply
879,273.69x = 1,318,221.51 × 347,192.99 - Step 4: Simplify right side
879,273.69x = 457,677,267,539.22 - Step 5: Solve for x
x = 457,677,267,539.22/879,273.69 - Step 6: Final answer
x = 520,517.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.