Finding the Fourth Proportional to 777,690.24, 1,166,113.14 and 350,726.58
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Solution
The fourth proportional to 777,690.24, 1,166,113.14 and 350,726.58 is: 525,899.46
Step by Step Solution
- Step 1: Write the proportion equation
777,690.24 : 1,166,113.14 = 350,726.58 : x - Step 2: Convert to fraction form
777,690.24/1,166,113.14 = 350,726.58/x - Step 3: Cross multiply
777,690.24x = 1,166,113.14 × 350,726.58 - Step 4: Simplify right side
777,690.24x = 408,986,873,485.26 - Step 5: Solve for x
x = 408,986,873,485.26/777,690.24 - Step 6: Final answer
x = 525,899.46
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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.