Finding the Fourth Proportional to 777,643.14, 1,165,548.24 and 350,679.06
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Solution
The fourth proportional to 777,643.14, 1,165,548.24 and 350,679.06 is: 525,605.31
Step by Step Solution
- Step 1: Write the proportion equation
777,643.14 : 1,165,548.24 = 350,679.06 : x - Step 2: Convert to fraction form
777,643.14/1,165,548.24 = 350,679.06/x - Step 3: Cross multiply
777,643.14x = 1,165,548.24 × 350,679.06 - Step 4: Simplify right side
777,643.14x = 408,733,361,187.85 - Step 5: Solve for x
x = 408,733,361,187.85/777,643.14 - Step 6: Final answer
x = 525,605.31
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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.