Finding the Fourth Proportional to 906,288.36, 1,250,651.49 and 498,389.79
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Solution
The fourth proportional to 906,288.36, 1,250,651.49 and 498,389.79 is: 687,763.37
Step by Step Solution
- Step 1: Write the proportion equation
906,288.36 : 1,250,651.49 = 498,389.79 : x - Step 2: Convert to fraction form
906,288.36/1,250,651.49 = 498,389.79/x - Step 3: Cross multiply
906,288.36x = 1,250,651.49 × 498,389.79 - Step 4: Simplify right side
906,288.36x = 623,311,933,464.29 - Step 5: Solve for x
x = 623,311,933,464.29/906,288.36 - Step 6: Final answer
x = 687,763.37
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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.