Finding the Fourth Proportional to 1,351,698.20, 2,027,226.99 and 498,306.20
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Solution
The fourth proportional to 1,351,698.20, 2,027,226.99 and 498,306.20 is: 747,341.21
Step by Step Solution
- Step 1: Write the proportion equation
1,351,698.20 : 2,027,226.99 = 498,306.20 : x - Step 2: Convert to fraction form
1,351,698.20/2,027,226.99 = 498,306.20/x - Step 3: Cross multiply
1,351,698.20x = 2,027,226.99 × 498,306.20 - Step 4: Simplify right side
1,351,698.20x = 1,010,179,769,656.85 - Step 5: Solve for x
x = 1,010,179,769,656.85/1,351,698.20 - Step 6: Final answer
x = 747,341.21
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.