Finding the Fourth Proportional to 874,029.42, 1,206,183.15 and 492,069.87
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Solution
The fourth proportional to 874,029.42, 1,206,183.15 and 492,069.87 is: 679,069.12
Step by Step Solution
- Step 1: Write the proportion equation
874,029.42 : 1,206,183.15 = 492,069.87 : x - Step 2: Convert to fraction form
874,029.42/1,206,183.15 = 492,069.87/x - Step 3: Cross multiply
874,029.42x = 1,206,183.15 × 492,069.87 - Step 4: Simplify right side
874,029.42x = 593,526,385,816.69 - Step 5: Solve for x
x = 593,526,385,816.69/874,029.42 - Step 6: Final answer
x = 679,069.12
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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.