Finding the Fourth Proportional to 837,852.30, 1,156,217.49 and 455,880.06
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Solution
The fourth proportional to 837,852.30, 1,156,217.49 and 455,880.06 is: 629,104.32
Step by Step Solution
- Step 1: Write the proportion equation
837,852.30 : 1,156,217.49 = 455,880.06 : x - Step 2: Convert to fraction form
837,852.30/1,156,217.49 = 455,880.06/x - Step 3: Cross multiply
837,852.30x = 1,156,217.49 × 455,880.06 - Step 4: Simplify right side
837,852.30x = 527,096,498,714.25 - Step 5: Solve for x
x = 527,096,498,714.25/837,852.30 - Step 6: Final answer
x = 629,104.32
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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.