Finding the Fourth Proportional to 802,072.18, 1,106,859.84 and 439,493.08
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Solution
The fourth proportional to 802,072.18, 1,106,859.84 and 439,493.08 is: 606,500.58
Step by Step Solution
- Step 1: Write the proportion equation
802,072.18 : 1,106,859.84 = 439,493.08 : x - Step 2: Convert to fraction form
802,072.18/1,106,859.84 = 439,493.08/x - Step 3: Cross multiply
802,072.18x = 1,106,859.84 × 439,493.08 - Step 4: Simplify right side
802,072.18x = 486,457,240,209.91 - Step 5: Solve for x
x = 486,457,240,209.91/802,072.18 - Step 6: Final answer
x = 606,500.58
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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.