Finding the Fourth Proportional to 874,149.12, 1,206,226.08 and 492,166.08
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Solution
The fourth proportional to 874,149.12, 1,206,226.08 and 492,166.08 is: 679,133.05
Step by Step Solution
- Step 1: Write the proportion equation
874,149.12 : 1,206,226.08 = 492,166.08 : x - Step 2: Convert to fraction form
874,149.12/1,206,226.08 = 492,166.08/x - Step 3: Cross multiply
874,149.12x = 1,206,226.08 × 492,166.08 - Step 4: Simplify right side
874,149.12x = 593,663,561,387.37 - Step 5: Solve for x
x = 593,663,561,387.37/874,149.12 - Step 6: Final answer
x = 679,133.05
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1.5x scale
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.