Finding the Fourth Proportional to 843,178.80, 1,163,595.84 and 461,197.20
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Solution
The fourth proportional to 843,178.80, 1,163,595.84 and 461,197.20 is: 636,457.11
Step by Step Solution
- Step 1: Write the proportion equation
843,178.80 : 1,163,595.84 = 461,197.20 : x - Step 2: Convert to fraction form
843,178.80/1,163,595.84 = 461,197.20/x - Step 3: Cross multiply
843,178.80x = 1,163,595.84 × 461,197.20 - Step 4: Simplify right side
843,178.80x = 536,647,143,339.65 - Step 5: Solve for x
x = 536,647,143,339.65/843,178.80 - Step 6: Final answer
x = 636,457.11
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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.