Finding the Fourth Proportional to 906,776.70, 1,361,212.65 and 486,872.70
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Solution
The fourth proportional to 906,776.70, 1,361,212.65 and 486,872.70 is: 730,871.53
Step by Step Solution
- Step 1: Write the proportion equation
906,776.70 : 1,361,212.65 = 486,872.70 : x - Step 2: Convert to fraction form
906,776.70/1,361,212.65 = 486,872.70/x - Step 3: Cross multiply
906,776.70x = 1,361,212.65 × 486,872.70 - Step 4: Simplify right side
906,776.70x = 662,737,278,179.66 - Step 5: Solve for x
x = 662,737,278,179.66/906,776.70 - Step 6: Final answer
x = 730,871.53
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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.