Finding the Fourth Proportional to 847,642.74, 1,170,783.09 and 633,733.62
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Solution
The fourth proportional to 847,642.74, 1,170,783.09 and 633,733.62 is: 875,327.03
Step by Step Solution
- Step 1: Write the proportion equation
847,642.74 : 1,170,783.09 = 633,733.62 : x - Step 2: Convert to fraction form
847,642.74/1,170,783.09 = 633,733.62/x - Step 3: Cross multiply
847,642.74x = 1,170,783.09 × 633,733.62 - Step 4: Simplify right side
847,642.74x = 741,964,605,860.49 - Step 5: Solve for x
x = 741,964,605,860.49/847,642.74 - Step 6: Final answer
x = 875,327.03
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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.