Finding the Fourth Proportional to 899,226.32, 1,342,279.57 and 785,723.26
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Solution
The fourth proportional to 899,226.32, 1,342,279.57 and 785,723.26 is: 1,172,852.99
Step by Step Solution
- Step 1: Write the proportion equation
899,226.32 : 1,342,279.57 = 785,723.26 : x - Step 2: Convert to fraction form
899,226.32/1,342,279.57 = 785,723.26/x - Step 3: Cross multiply
899,226.32x = 1,342,279.57 × 785,723.26 - Step 4: Simplify right side
899,226.32x = 1,054,660,279,571.80 - Step 5: Solve for x
x = 1,054,660,279,571.80/899,226.32 - Step 6: Final answer
x = 1,172,852.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.