Finding the Fourth Proportional to 839,975.36, 1,159,185.12 and 477,342.08
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Solution
The fourth proportional to 839,975.36, 1,159,185.12 and 477,342.08 is: 658,742.94
Step by Step Solution
- Step 1: Write the proportion equation
839,975.36 : 1,159,185.12 = 477,342.08 : x - Step 2: Convert to fraction form
839,975.36/1,159,185.12 = 477,342.08/x - Step 3: Cross multiply
839,975.36x = 1,159,185.12 × 477,342.08 - Step 4: Simplify right side
839,975.36x = 553,327,836,285.85 - Step 5: Solve for x
x = 553,327,836,285.85/839,975.36 - Step 6: Final answer
x = 658,742.94
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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.