Finding the Fourth Proportional to 868,797.12, 1,198,229.08 and 611,525.73
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Solution
The fourth proportional to 868,797.12, 1,198,229.08 and 611,525.73 is: 843,405.09
Step by Step Solution
- Step 1: Write the proportion equation
868,797.12 : 1,198,229.08 = 611,525.73 : x - Step 2: Convert to fraction form
868,797.12/1,198,229.08 = 611,525.73/x - Step 3: Cross multiply
868,797.12x = 1,198,229.08 × 611,525.73 - Step 4: Simplify right side
868,797.12x = 732,747,912,854.23 - Step 5: Solve for x
x = 732,747,912,854.23/868,797.12 - Step 6: Final answer
x = 843,405.09
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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.