Finding the Fourth Proportional to 802,059.17, 1,106,841.92 and 439,480.08
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Solution
The fourth proportional to 802,059.17, 1,106,841.92 and 439,480.08 is: 606,482.66
Step by Step Solution
- Step 1: Write the proportion equation
802,059.17 : 1,106,841.92 = 439,480.08 : x - Step 2: Convert to fraction form
802,059.17/1,106,841.92 = 439,480.08/x - Step 3: Cross multiply
802,059.17x = 1,106,841.92 × 439,480.08 - Step 4: Simplify right side
802,059.17x = 486,434,973,351.55 - Step 5: Solve for x
x = 486,434,973,351.55/802,059.17 - Step 6: Final answer
x = 606,482.66
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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.