Finding the Fourth Proportional to 957,306.40, 1,321,064.98 and 521,727.08
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Solution
The fourth proportional to 957,306.40, 1,321,064.98 and 521,727.08 is: 719,973.64
Step by Step Solution
- Step 1: Write the proportion equation
957,306.40 : 1,321,064.98 = 521,727.08 : x - Step 2: Convert to fraction form
957,306.40/1,321,064.98 = 521,727.08/x - Step 3: Cross multiply
957,306.40x = 1,321,064.98 × 521,727.08 - Step 4: Simplify right side
957,306.40x = 689,235,368,797.03 - Step 5: Solve for x
x = 689,235,368,797.03/957,306.40 - Step 6: Final answer
x = 719,973.64
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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.