Finding the Fourth Proportional to 929,596.98, 1,282,869.28 and 521,724.12
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Solution
The fourth proportional to 929,596.98, 1,282,869.28 and 521,724.12 is: 719,993.57
Step by Step Solution
- Step 1: Write the proportion equation
929,596.98 : 1,282,869.28 = 521,724.12 : x - Step 2: Convert to fraction form
929,596.98/1,282,869.28 = 521,724.12/x - Step 3: Cross multiply
929,596.98x = 1,282,869.28 × 521,724.12 - Step 4: Simplify right side
929,596.98x = 669,303,846,183.03 - Step 5: Solve for x
x = 669,303,846,183.03/929,596.98 - Step 6: Final answer
x = 719,993.57
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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.