Finding the Fourth Proportional to 964,786.77, 1,331,229.71 and 556,739.75
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Solution
The fourth proportional to 964,786.77, 1,331,229.71 and 556,739.75 is: 768,199.26
Step by Step Solution
- Step 1: Write the proportion equation
964,786.77 : 1,331,229.71 = 556,739.75 : x - Step 2: Convert to fraction form
964,786.77/1,331,229.71 = 556,739.75/x - Step 3: Cross multiply
964,786.77x = 1,331,229.71 × 556,739.75 - Step 4: Simplify right side
964,786.77x = 741,148,486,498.13 - Step 5: Solve for x
x = 741,148,486,498.13/964,786.77 - Step 6: Final answer
x = 768,199.26
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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.