Finding the Fourth Proportional to 971,633.42, 1,340,855.92 and 541,941.26
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Solution
The fourth proportional to 971,633.42, 1,340,855.92 and 541,941.26 is: 747,879.94
Step by Step Solution
- Step 1: Write the proportion equation
971,633.42 : 1,340,855.92 = 541,941.26 : x - Step 2: Convert to fraction form
971,633.42/1,340,855.92 = 541,941.26/x - Step 3: Cross multiply
971,633.42x = 1,340,855.92 × 541,941.26 - Step 4: Simplify right side
971,633.42x = 726,665,146,763.26 - Step 5: Solve for x
x = 726,665,146,763.26/971,633.42 - Step 6: Final answer
x = 747,879.94
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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.