Finding the Fourth Proportional to 521,907.13, 719,735.92 and 340,561.09
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Solution
The fourth proportional to 521,907.13, 719,735.92 and 340,561.09 is: 469,650.70
Step by Step Solution
- Step 1: Write the proportion equation
521,907.13 : 719,735.92 = 340,561.09 : x - Step 2: Convert to fraction form
521,907.13/719,735.92 = 340,561.09/x - Step 3: Cross multiply
521,907.13x = 719,735.92 × 340,561.09 - Step 4: Simplify right side
521,907.13x = 245,114,049,427.35 - Step 5: Solve for x
x = 245,114,049,427.35/521,907.13 - Step 6: Final answer
x = 469,650.70
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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.