Finding the Fourth Proportional to 790,859.62, 1,186,044 and 285,354.96
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Solution
The fourth proportional to 790,859.62, 1,186,044 and 285,354.96 is: 427,943.88
Step by Step Solution
- Step 1: Write the proportion equation
790,859.62 : 1,186,044 = 285,354.96 : x - Step 2: Convert to fraction form
790,859.62/1,186,044 = 285,354.96/x - Step 3: Cross multiply
790,859.62x = 1,186,044 × 285,354.96 - Step 4: Simplify right side
790,859.62x = 338,443,538,178.24 - Step 5: Solve for x
x = 338,443,538,178.24/790,859.62 - Step 6: Final answer
x = 427,943.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.