Finding the Fourth Proportional to 839,584.62, 1,159,351.11 and 719,911.98
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Solution
The fourth proportional to 839,584.62, 1,159,351.11 and 719,911.98 is: 994,099.62
Step by Step Solution
- Step 1: Write the proportion equation
839,584.62 : 1,159,351.11 = 719,911.98 : x - Step 2: Convert to fraction form
839,584.62/1,159,351.11 = 719,911.98/x - Step 3: Cross multiply
839,584.62x = 1,159,351.11 × 719,911.98 - Step 4: Simplify right side
839,584.62x = 834,630,753,115.30 - Step 5: Solve for x
x = 834,630,753,115.30/839,584.62 - Step 6: Final answer
x = 994,099.62
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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.