Finding the Fourth Proportional to 905,997.87, 1,250,277.86 and 498,106.65
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Solution
The fourth proportional to 905,997.87, 1,250,277.86 and 498,106.65 is: 687,387.61
Step by Step Solution
- Step 1: Write the proportion equation
905,997.87 : 1,250,277.86 = 498,106.65 : x - Step 2: Convert to fraction form
905,997.87/1,250,277.86 = 498,106.65/x - Step 3: Cross multiply
905,997.87x = 1,250,277.86 × 498,106.65 - Step 4: Simplify right side
905,997.87x = 622,771,713,923.24 - Step 5: Solve for x
x = 622,771,713,923.24/905,997.87 - Step 6: Final answer
x = 687,387.61
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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.